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Area Code 443 Information and Location Details

Country United States of America
State Maryland
Largest City Baltimore
Timezone Eastern

The 443 area code is located in Baltimore, Maryland including Westminster, West River, Pikesville, Cambridge and was originally put into service on May 18th 1998. Since 443 was implemented, it has grown to 80 cities. The 443 area code currently has 777 phone number prefixes from carriers like Allegiance Telecom, Cellco Partnership DBA Verizon Wireless, Verizon Maryland, New Cingular Wireless PCS - DC and more.

Area Code Map

Area Code 443 Prefixes

Prefix # Primary City Phone Provider County Type First Added
(443) 200 Baltimore Allegiance Telecom Baltimore City landline and VOIP February 21st 2001
(443) 201 Westminster Cellco Partnership DBA Verizon Wireless Cell Number December 1st 2011
(443) 202 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number January 9th 2012
(443) 203 West River Verizon Maryland landline and VOIP March 3rd 2001
(443) 204 Pikesville New Cingular Wireless PCS - DC Cell Number May 15th 2003
(443) 205 Cambridge Sprint Spectrum L.p. Dorchester Cell Number January 20th 2004
(443) 206 Perryville Cellco Partnership DBA Verizon Wireless Cell Number January 14th 2000
(443) 207 Elkton Omnipoint Communications Enterprises, L.p. Cell Number August 14th 1998
(443) 208 Essex Sprint Spectrum L.p. landline and VOIP February 1st 2011
(443) 209 Havre De Grace Cavalier Telephone (mid-atlantic) landline and VOIP February 27th 1999
(443) 210 Aberdeen Sprint Spectrum L.p. Harford landline and VOIP September 30th 2011
(443) 212 Sparks Glencoe Us Lec Of Maryland landline and VOIP August 14th 1998
(443) 213 Baltimore Verizon Maryland Baltimore City landline and VOIP May 18th 1998
(443) 214 Annapolis New Cingular Wireless PCS - DC landline and VOIP October 11th 2011
(443) 215 Chestertown Core Communications landline and VOIP January 14th 2000
(443) 216 Dundalk Cavalier Telephone Mid-atlantic landline and VOIP October 13th 1999
(443) 217 Annapolis Core Communications landline and VOIP January 14th 2000
(443) 218 Reisterstown Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 219 Baltimore Level 3 Communications Baltimore City landline and VOIP May 18th 1998
(443) 220 Baltimore Verizon Maryland Baltimore City landline and VOIP November 20th 1998
(443) 221 Annapolis Level 3 Communications landline and VOIP August 20th 2000
(443) 222 Reisterstown Xo Maryland landline and VOIP January 14th 2000
(443) 223 Annapolis Cellco Partnership DBA Verizon Wireless Cell Number October 13th 1999
(443) 224 Baltimore Mci Worldcom Communications Baltimore City landline and VOIP May 10th 1999
(443) 225 Cambridge Sprint Spectrum L.p. Dorchester landline and VOIP January 20th 2004
(443) 226 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number August 14th 1998
(443) 227 Port Deposit Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 228 Middle River Us Lec Of Maryland landline and VOIP June 30th 2001
(443) 229 Severna Park Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 230 Odenton Ctc Communications Corp. Anne Arundel landline and VOIP January 14th 2000
(443) 231 Baltimore AT&T; Local Baltimore City landline and VOIP August 14th 1998
(443) 232 Willards Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 233 Mardela Springs Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 234 Snow Hill Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 235 Salisbury Cellco Partnership DBA Verizon Wireless Wicomico Cell Number October 13th 1999
(443) 236 Cardiff Core Communications landline and VOIP January 14th 2000
(443) 237 North Beach Core Communications Calvert landline and VOIP January 14th 2000
(443) 238 Parkton Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 239 Easton New Cingular Wireless PCS - DC Talbot Cell Number January 20th 2004
(443) 240 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number January 27th 2012
(443) 241 Westminster Global Naps South landline and VOIP January 14th 2000
(443) 242 Sparrows Point Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 243 Fallston Cellco Partnership DBA Verizon Wireless Cell Number October 13th 1999
(443) 244 Westminster Level 3 Communications landline and VOIP October 13th 1999
(443) 245 Elkton Cavalier Telephone (mid-atlantic) landline and VOIP February 27th 1999
(443) 246 Elkton Core Communications landline and VOIP January 14th 2000
(443) 247 Union Bridge Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 248 Catonsville Cellco Partnership DBA Verizon Wireless Cell Number January 15th 2007
(443) 249 Stevensville Verizon Maryland landline and VOIP July 22nd 1999
(443) 250 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number August 14th 1998
(443) 251 Chestertown Local Access LLC Cell Number August 16th 2013
(443) 252 Perryville Cellco Partnership DBA Verizon Wireless Cell Number September 8th 2009
(443) 253 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number August 14th 1998
(443) 254 Annapolis Omnipoint Communications Cap Operations Cell Number June 13th 2000
(443) 255 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number July 22nd 1999
(443) 256 North East Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 257 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number August 14th 1998
(443) 258 Easton New Cingular Wireless PCS - DC Talbot Cell Number July 22nd 1999
(443) 259 Columbia Verizon Maryland Howard landline and VOIP August 14th 1998
(443) 260 Salisbury Verizon Maryland Wicomico landline and VOIP July 22nd 1999
(443) 261 Severna Park Mci Worldcom Communications landline and VOIP June 13th 2000
(443) 262 Centreville Verizon Maryland landline and VOIP January 14th 2000
(443) 263 Baltimore Verizon Maryland Baltimore City landline and VOIP July 22nd 1999
(443) 264 Pikesville Xo Maryland landline and VOIP January 14th 2000
(443) 265 Fork Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 266 Glenwood Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 267 Darlington Teleport Communications America landline and VOIP February 27th 1999
(443) 268 Baltimore Core Communications Baltimore City landline and VOIP January 14th 2000
(443) 269 Towson Xo Maryland landline and VOIP January 14th 2000
(443) 270 Baltimore Paetec Communications Baltimore City landline and VOIP October 13th 1999
(443) 271 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number October 21st 2002
(443) 272 Baltimore Teleport Communications America Baltimore City landline and VOIP August 14th 1998
(443) 273 Reisterstown Teleport Communications America landline and VOIP August 14th 1998
(443) 274 Severn Verizon Maryland landline and VOIP October 13th 1999
(443) 275 Baltimore Comcast Phone Of Northern Maryland Baltimore City landline and VOIP May 18th 1998
(443) 276 Baltimore Allegiance Telecom Baltimore City landline and VOIP June 13th 2000
(443) 277 Sykesville Sprint Spectrum L.p. Cell Number July 22nd 1999
(443) 278 Baltimore Vdl DBA Global Telecom Brokers Baltimore City landline and VOIP October 2nd 2003
(443) 279 Baltimore Allegiance Telecom Baltimore City landline and VOIP October 13th 1999
(443) 280 Sykesville New Cingular Wireless PCS - DC Cell Number August 14th 1998
(443) 281 Baltimore Allegiance Telecom Baltimore City landline and VOIP June 13th 2000
(443) 282 Chestertown Sprint Spectrum L.p. Cell Number October 4th 2004
(443) 283 Baltimore Paetec Communications Baltimore City landline and VOIP October 13th 1999
(443) 284 Jessup Xo Maryland landline and VOIP January 14th 2000
(443) 285 Columbia Verizon Maryland Howard landline and VOIP October 13th 1999
(443) 286 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number August 14th 1998
(443) 287 Baltimore Verizon Maryland Baltimore City landline and VOIP July 22nd 1999
(443) 288 Baltimore Allegiance Telecom Baltimore City landline and VOIP June 13th 2000
(443) 289 Westminster Mci Worldcom Communications landline and VOIP May 16th 2011
(443) 290 Parkville Tw Telecom Of Maryland LLC landline and VOIP October 13th 1999
(443) 291 Hampstead Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 292 Laurel Level 3 Communications landline and VOIP October 13th 1999
(443) 293 Westminster Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 294 West River Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 295 Prince Frederick Level 3 Communications landline and VOIP October 13th 1999
(443) 296 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 297 Arbutus Teleport Communications America Baltimore landline and VOIP August 14th 1998
(443) 298 Easton New Cingular Wireless PCS - DC Talbot Cell Number November 15th 2002
(443) 299 Fallston Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 300 Sykesville Broadwing Communications. LLC landline and VOIP August 20th 2000
(443) 301 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number April 5th 2012
(443) 302 Crofton Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 303 Aberdeen Global Crossing Local Services-md Harford landline and VOIP July 22nd 1999
(443) 304 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 305 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 306 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number August 14th 1998
(443) 307 Bel Air Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 308 Baltimore Allegiance Telecom Baltimore City landline and VOIP June 13th 2000
(443) 309 Elkton Sprint Spectrum L.p. Cell Number November 20th 1998
(443) 310 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number October 31st 2000
(443) 312 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 313 Fork Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 314 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number February 1st 2011
(443) 315 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 316 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 317 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 318 Cockeysville Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 319 Columbia Cavalier Telephone (mid-atlantic) Howard landline and VOIP November 20th 1998
(443) 320 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 321 Annapolis Paetec Communications landline and VOIP June 13th 2000
(443) 322 Towson Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 323 Rhodesdale Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 324 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number July 22nd 1999
(443) 325 Ellicott City Cavalier Telephone Mid-atlantic landline and VOIP November 20th 1998
(443) 326 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number February 21st 2001
(443) 327 Aberdeen Cavalier Telephone Mid-atlantic Harford landline and VOIP March 3rd 2001
(443) 328 Sykesville Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 329 Jessup Global Crossing Local Services-md landline and VOIP February 27th 1999
(443) 330 Baltimore Cavalier Telephone Mid-atlantic Baltimore City landline and VOIP May 18th 1998
(443) 331 Taneytown Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 332 Crofton Cavalier Telephone Mid-atlantic landline and VOIP May 9th 2001
(443) 333 Annapolis Leap Wireless Intl DBA Cricket Comm Cell Number February 13th 2009
(443) 334 Towson Allegiance Telecom landline and VOIP March 14th 2001
(443) 335 Brooklyn Xo Maryland landline and VOIP January 14th 2000
(443) 336 Annapolis Sprint Spectrum L.p. Cell Number May 10th 1999
(443) 337 Sparrows Point Xo Maryland landline and VOIP January 14th 2000
(443) 338 Sparks Glencoe Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 339 Sherwood Forest Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 340 Westminster Cellco Partnership DBA Verizon Wireless Cell Number October 13th 1999
(443) 341 Baltimore Level 3 Communications Baltimore City landline and VOIP May 18th 1998
(443) 342 Solomons Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 343 Millersville Teleport Communications America landline and VOIP February 27th 1999
(443) 344 Severna Park Core Communications landline and VOIP January 14th 2000
(443) 345 Aberdeen Level 3 Communications Harford landline and VOIP October 13th 1999
(443) 346 Severna Park Xo Maryland landline and VOIP January 14th 2000
(443) 347 Cardiff Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 348 Baltimore Teleport Communications America Baltimore City landline and VOIP August 14th 1998
(443) 349 Westminster Core Communications landline and VOIP January 14th 2000
(443) 350 Elkton Cellco Partnership DBA Verizon Wireless Cell Number August 20th 2000
(443) 351 Columbia Us Lec Of Maryland Howard landline and VOIP June 13th 2000
(443) 352 Baltimore AT&T; Local Baltimore City landline and VOIP November 20th 1998
(443) 353 Cockeysville Verizon Maryland landline and VOIP March 19th 2004
(443) 354 Baltimore Level 3 Communications Baltimore City landline and VOIP July 22nd 1999
(443) 355 Baltimore Level 3 Communications Baltimore City landline and VOIP July 22nd 1999
(443) 356 Bel Air Level 3 Communications landline and VOIP July 22nd 1999
(443) 357 Pikesville Verizon Maryland landline and VOIP October 13th 1999
(443) 358 Salisbury Ymax Communications Corp. Wicomico landline and VOIP February 17th 2011
(443) 359 Delmar Cellco Partnership DBA Verizon Wireless Cell Number June 13th 2000
(443) 360 Aberdeen Teleport Communications America Harford landline and VOIP August 14th 1998
(443) 361 Sykesville Core Communications landline and VOIP January 14th 2000
(443) 362 Easton Omnipoint Communications Cap Operations Talbot Cell Number June 13th 2000
(443) 363 Severn Xo Maryland landline and VOIP January 14th 2000
(443) 364 Baltimore Teleport Communications America Baltimore City landline and VOIP August 14th 1998
(443) 365 Salisbury Omnipoint Communications Cap Operations Wicomico Cell Number June 13th 2000
(443) 366 Salisbury Sprint Spectrum L.p. Wicomico Cell Number April 17th 2001
(443) 367 Columbia Verizon Maryland Howard landline and VOIP June 13th 2000
(443) 368 Westminster Core Communications landline and VOIP January 14th 2000
(443) 369 Bel Air Core Communications landline and VOIP January 14th 2000
(443) 370 Annapolis New Cingular Wireless PCS - DC landline and VOIP October 31st 2000
(443) 371 Bel Air Broadwing Communications. LLC landline and VOIP October 31st 2000
(443) 372 Edgewood Us Lec Of Maryland landline and VOIP March 19th 2001
(443) 373 Ocean City Sprint Spectrum L.p. Cell Number October 31st 2000
(443) 374 Aberdeen Cavalier Telephone (mid-atlantic) Harford landline and VOIP February 27th 1999
(443) 375 Hampstead Sprint Spectrum L.p. Cell Number August 20th 2000
(443) 376 Baltimore Teleport Communications America Baltimore City landline and VOIP August 14th 1998
(443) 377 Towson Cellco Partnership DBA Verizon Wireless Cell Number June 9th 2010
(443) 378 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number July 27th 2004
(443) 379 Pikesville Comcast Phone Of Northern Maryland landline and VOIP February 23rd 2007
(443) 380 Baltimore Level 3 Communications Baltimore City landline and VOIP May 18th 1998
(443) 381 Reisterstown Xo Maryland landline and VOIP January 14th 2000
(443) 382 Cambridge Core Communications Dorchester landline and VOIP January 14th 2000
(443) 383 Westminster Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 384 Parkville Cavalier Telephone Mid-atlantic landline and VOIP October 13th 1999
(443) 385 Easton Core Communications Talbot landline and VOIP January 14th 2000
(443) 386 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number February 27th 1999
(443) 387 Pocomoke Core Communications landline and VOIP January 14th 2000
(443) 388 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number April 13th 2006
(443) 389 Salisbury Core Communications Wicomico landline and VOIP January 14th 2000
(443) 390 Churchville Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 391 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 392 Baltimore AT&T; Local Baltimore City landline and VOIP May 10th 1999
(443) 393 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 394 Pikesville Verizon Maryland landline and VOIP November 20th 1998
(443) 395 Aberdeen Verizon Maryland Harford landline and VOIP August 13th 2009
(443) 396 Odenton Global Crossing Local Services-md Anne Arundel landline and VOIP July 22nd 1999
(443) 397 Salisbury Cellco Partnership DBA Verizon Wireless Wicomico Cell Number April 6th 2009
(443) 398 Sykesville Sprint Spectrum L.p. Cell Number March 15th 2001
(443) 399 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 400 Baltimore Xo Maryland Baltimore City landline and VOIP October 31st 2000
(443) 401 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number October 17th 2011
(443) 402 Edgewood Teleport Communications America landline and VOIP February 27th 1999
(443) 403 Aberdeen Broadwing Communications. LLC Harford landline and VOIP June 20th 2001
(443) 404 Solomons Sprint Spectrum L.p. Cell Number October 31st 2000
(443) 405 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 406 Elkton Teleport Communications America landline and VOIP February 27th 1999
(443) 407 Baltimore Allegiance Telecom Baltimore City landline and VOIP June 13th 2000
(443) 408 Baltimore Xo Maryland Baltimore City landline and VOIP October 31st 2000
(443) 409 Edgewood Cavalier Telephone Mid-atlantic landline and VOIP October 31st 2000
(443) 410 Baltimore Centurylink Communications LLC Baltimore City landline and VOIP June 21st 2013
(443) 412 Churchville Teleport Communications America landline and VOIP February 27th 1999
(443) 413 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number May 10th 1999
(443) 414 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number May 10th 1999
(443) 415 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number May 10th 1999
(443) 416 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number May 10th 1999
(443) 417 Fallston Teleport Communications America landline and VOIP February 27th 1999
(443) 418 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number May 10th 1999
(443) 419 Glenwood Cavalier Telephone Mid-atlantic landline and VOIP October 31st 2000
(443) 420 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 421 Fork New Cingular Wireless PCS - DC Cell Number August 14th 1998
(443) 422 Glen Burnie Leap Wireless Intl DBA Cricket Comm Cell Number February 13th 2009
(443) 423 Baltimore Broadwing Communications. LLC Baltimore City landline and VOIP October 13th 1999
(443) 424 Cardiff Teleport Communications America landline and VOIP February 27th 1999
(443) 425 Baltimore AT&T; Local Baltimore City landline and VOIP August 14th 1998
(443) 426 Baltimore Paetec Communications Baltimore City landline and VOIP June 30th 2001
(443) 427 Princess Anne Core Communications landline and VOIP January 14th 2000
(443) 428 Cockeysville Core Communications landline and VOIP January 14th 2000
(443) 429 Woodlawn Cavalier Telephone Mid-atlantic landline and VOIP October 13th 1999
(443) 430 Baltimore Xo Maryland Baltimore City landline and VOIP May 18th 2001
(443) 431 Randallstown Xo Maryland landline and VOIP January 14th 2000
(443) 432 Prince Frederick Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 433 Annapolis Xo Maryland landline and VOIP February 21st 2001
(443) 434 Federalsburg Comcast Phone Of Northern Maryland landline and VOIP November 1st 2004
(443) 435 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number February 1st 2011
(443) 436 Woodlawn Verizon Maryland landline and VOIP November 20th 1998
(443) 437 Pocomoke Teleport Communications America landline and VOIP November 1st 2004
(443) 438 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number October 8th 2008
(443) 439 Trappe Cellco Partnership DBA Verizon Wireless landline and VOIP November 1st 2004
(443) 440 Annapolis Verizon Maryland landline and VOIP March 3rd 2001
(443) 441 Glenwood Teleport Communications America landline and VOIP February 27th 1999
(443) 442 Parkville Cavalier Telephone Mid-atlantic landline and VOIP May 9th 2001
(443) 444 Baltimore Verizon Maryland Baltimore City landline and VOIP October 13th 2005
(443) 445 Elkridge Verizon Maryland landline and VOIP June 30th 2001
(443) 446 Queenstown Mci Worldcom Communications Queen Annes landline and VOIP November 1st 2004
(443) 447 Baltimore Leap Wireless Intl DBA Cricket Comm Baltimore City Cell Number December 15th 2008
(443) 448 Denton Comcast Phone Of Northern Maryland Caroline landline and VOIP November 1st 2004
(443) 449 Baltimore Broadview Networks Baltimore City landline and VOIP March 28th 2007
(443) 450 Baltimore Level 3 Communications Baltimore City landline and VOIP May 10th 1999
(443) 451 Baltimore Paetec Communications Baltimore City landline and VOIP October 13th 1999
(443) 452 Baltimore Us Lec Of Maryland Baltimore City landline and VOIP September 7th 2005
(443) 453 Baltimore Neutral Tandem-maryland Baltimore City landline and VOIP October 12th 2007
(443) 454 Annapolis Omnipoint Communications Cap Operations Cell Number March 3rd 2001
(443) 455 Baltimore Verizon Maryland Baltimore City landline and VOIP March 9th 2006
(443) 456 Edgewood AT&T; Local landline and VOIP March 3rd 2001
(443) 457 Baltimore Teleport Communications America Baltimore City landline and VOIP August 14th 1998
(443) 458 Annapolis Allegiance Telecom landline and VOIP March 3rd 2001
(443) 459 Baltimore Paetec Communications Baltimore City landline and VOIP March 3rd 2001
(443) 460 Baltimore Allegiance Telecom Baltimore City landline and VOIP June 13th 2000
(443) 461 Parkville Us Lec Of Maryland landline and VOIP June 13th 2000
(443) 462 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number November 6th 2008
(443) 463 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number February 27th 1999
(443) 464 Churchville Broadview Networks landline and VOIP March 16th 2010
(443) 465 Towson Cellco Partnership DBA Verizon Wireless Cell Number June 13th 2000
(443) 466 Elkton Sprint Spectrum L.p. Cell Number May 10th 1999
(443) 467 Baltimore Leap Wireless Intl DBA Cricket Comm Baltimore City Cell Number March 20th 2009
(443) 468 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number April 4th 2007
(443) 469 Baltimore Leap Wireless Intl DBA Cricket Comm Baltimore City Cell Number March 20th 2009
(443) 470 Towson Us Lec Of Maryland landline and VOIP April 29th 2008
(443) 471 Columbia Us Lec Of Maryland Howard landline and VOIP June 13th 2000
(443) 472 Baltimore Level 3 Communications Baltimore City landline and VOIP January 14th 2000
(443) 473 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number March 28th 2007
(443) 474 Catonsville New Cingular Wireless PCS - DC Cell Number February 27th 1999
(443) 475 Baltimore Mci Worldcom Communications Baltimore City landline and VOIP June 1st 2011
(443) 476 Annapolis Verizon Maryland Cell Number November 20th 1998
(443) 477 Cambridge Cellco Partnership DBA Verizon Wireless Dorchester Cell Number January 13th 2007
(443) 478 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number March 6th 2009
(443) 479 Laurel Verizon Maryland landline and VOIP November 20th 1998
(443) 480 Chestertown Cellco Partnership DBA Verizon Wireless Cell Number August 20th 2000
(443) 481 Annapolis Us Lec Of Maryland landline and VOIP June 30th 2001
(443) 482 Annapolis Verizon Maryland landline and VOIP November 20th 1998
(443) 483 Cardiff Broadwing Communications. LLC landline and VOIP August 20th 2000
(443) 484 Edgewood Broadwing Communications. LLC landline and VOIP August 20th 2000
(443) 485 Elkton Broadwing Communications. LLC landline and VOIP August 20th 2000
(443) 486 Prince Frederick Broadwing Communications. LLC landline and VOIP August 20th 2000
(443) 487 Westminster Broadwing Communications. LLC landline and VOIP August 20th 2000
(443) 488 Baltimore Leap Wireless Intl DBA Cricket Comm Baltimore City Cell Number June 23rd 2010
(443) 489 Baltimore Teleport Communications America Baltimore City landline and VOIP February 27th 1999
(443) 490 Edgewood Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 491 Parkton Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 492 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 493 Delmar Cellco Partnership DBA Verizon Wireless Cell Number March 6th 2009
(443) 494 Millersville Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 495 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 496 Easton Sprint Spectrum L.p. Talbot Cell Number August 14th 1998
(443) 497 Salisbury Sprint Spectrum L.p. Wicomico Cell Number August 14th 1998
(443) 498 Baltimore Allegiance Telecom Baltimore City landline and VOIP June 13th 2000
(443) 499 Jarrettsville Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 500 Baltimore Leap Wireless Intl DBA Cricket Comm Baltimore City Cell Number March 20th 2009
(443) 501 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 502 Havre De Grace Teleport Communications America landline and VOIP February 27th 1999
(443) 503 Baltimore Xo Maryland Baltimore City landline and VOIP October 31st 2000
(443) 504 Fallston Cavalier Telephone Mid-atlantic landline and VOIP October 31st 2000
(443) 505 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 506 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number June 13th 2000
(443) 507 Hampstead Teleport Communications America landline and VOIP February 27th 1999
(443) 508 Hampstead Cavalier Telephone Mid-atlantic landline and VOIP October 31st 2000
(443) 509 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number February 10th 2009
(443) 510 Annapolis Cellco Partnership DBA Verizon Wireless Cell Number December 4th 2007
(443) 512 Edgewood Verizon Maryland landline and VOIP July 22nd 1999
(443) 513 Berlin New Cingular Wireless PCS - DC Worcester Cell Number October 31st 2000
(443) 514 Columbia Us Lec Of Maryland Howard landline and VOIP June 13th 2000
(443) 515 Cambridge Cellco Partnership DBA Verizon Wireless Dorchester Cell Number June 8th 2009
(443) 516 Sykesville Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 517 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 518 Columbia Verizon Maryland Howard landline and VOIP December 16th 2008
(443) 519 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 520 Catonsville New Cingular Wireless PCS - DC Cell Number February 27th 1999
(443) 521 Cambridge Cellco Partnership DBA Verizon Wireless Dorchester Cell Number January 14th 2000
(443) 522 Reisterstown Paetec Communications landline and VOIP June 30th 2001
(443) 523 Salisbury Verizon Maryland Wicomico landline and VOIP August 20th 2000
(443) 524 Baltimore Allegiance Telecom Baltimore City landline and VOIP October 13th 1999
(443) 525 Baltimore Leap Wireless Intl DBA Cricket Comm Baltimore City Cell Number March 20th 2009
(443) 526 Havre De Grace Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 527 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number March 19th 2001
(443) 528 Bel Air Sprint Spectrum L.p. Cell Number August 20th 2000
(443) 529 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number July 22nd 2008
(443) 530 Baltimore Paetec Communications Baltimore City landline and VOIP June 30th 2001
(443) 531 Baltimore Leap Wireless Intl DBA Cricket Comm Baltimore City Cell Number March 20th 2009
(443) 532 Prince Frederick Sprint Spectrum L.p. Cell Number August 20th 2000
(443) 533 Jarrettsville Teleport Communications America landline and VOIP February 27th 1999
(443) 534 Annapolis Cellco Partnership DBA Verizon Wireless landline and VOIP January 15th 2001
(443) 535 Columbia Verizon Maryland Howard landline and VOIP February 27th 1999
(443) 536 Westminster Sprint Spectrum L.p. Cell Number August 20th 2000
(443) 537 Columbia Verizon Maryland Howard landline and VOIP May 22nd 2009
(443) 538 Columbia Omnipoint Communications Cap Operations Howard Cell Number June 20th 2001
(443) 539 Columbia Us Lec Of Maryland Howard landline and VOIP January 14th 2000
(443) 540 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number March 3rd 2001
(443) 541 Baltimore Paetec Communications Baltimore City landline and VOIP October 13th 1999
(443) 542 Columbia Comcast Phone Of Northern Maryland Howard landline and VOIP June 30th 2001
(443) 543 Arbutus Verizon Maryland Baltimore landline and VOIP May 10th 1999
(443) 544 Pikesville Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 545 Columbia Broadwing Communications. LLC Howard landline and VOIP May 18th 2001
(443) 546 Baltimore Verizon Maryland Baltimore City landline and VOIP May 18th 1998
(443) 547 Westminster Cellco Partnership DBA Verizon Wireless Cell Number May 7th 2009
(443) 548 Baltimore Allegiance Telecom Baltimore City landline and VOIP October 13th 1999
(443) 549 Dundalk Us Lec Of Maryland landline and VOIP January 14th 2000
(443) 550 North Beach Level 3 Communications Calvert landline and VOIP June 30th 2001
(443) 551 Baltimore Level 3 Communications Baltimore City landline and VOIP January 14th 2000
(443) 552 Baltimore Verizon Maryland Baltimore City landline and VOIP June 13th 2000
(443) 553 Elkton Cellco Partnership DBA Verizon Wireless Cell Number May 10th 1999
(443) 554 Middle River Omnipoint Communications Cap Operations Cell Number July 23rd 2001
(443) 556 Cockeysville Verizon Maryland landline and VOIP August 14th 1998
(443) 557 Baltimore Allegiance Telecom Baltimore City landline and VOIP June 13th 2000
(443) 558 Aberdeen Xo Maryland Harford landline and VOIP January 15th 2001
(443) 559 Essex Comcast Phone Of Northern Maryland landline and VOIP June 30th 2001
(443) 560 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number July 18th 2011
(443) 561 Columbia Us Lec Of Maryland Howard landline and VOIP January 14th 2000
(443) 562 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number January 14th 2000
(443) 563 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number November 14th 2006
(443) 564 Baltimore Level 3 Communications Baltimore City landline and VOIP October 13th 1999
(443) 565 Randallstown Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
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(443) 567 Bel Air Level 3 Communications landline and VOIP October 13th 1999
(443) 568 Arbutus Allegiance Telecom Baltimore landline and VOIP June 13th 2000
(443) 569 Annapolis Level 3 Communications landline and VOIP October 13th 1999
(443) 570 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number June 13th 2000
(443) 571 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number December 6th 2011
(443) 572 Glen Burnie Verizon Maryland landline and VOIP May 18th 1998
(443) 573 Columbia Us Lec Of Maryland Howard landline and VOIP January 14th 2000
(443) 574 Ellicott City Us Lec Of Maryland landline and VOIP January 14th 2000
(443) 575 Arbutus Cavalier Telephone Mid-atlantic Baltimore landline and VOIP May 10th 2001
(443) 576 Baltimore Allegiance Telecom Baltimore City landline and VOIP February 21st 2001
(443) 577 Columbia Us Lec Of Maryland Howard landline and VOIP June 13th 2000
(443) 578 Baltimore Xo Maryland Baltimore City landline and VOIP June 30th 2001
(443) 579 Essex Us Lec Of Maryland landline and VOIP January 14th 2000
(443) 580 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number August 25th 2011
(443) 581 Middle River Xo Maryland landline and VOIP January 14th 2000
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(443) 587 Edgewood Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 588 Baltimore Allegiance Telecom Baltimore City landline and VOIP October 13th 1999
(443) 589 Cockeysville Us Lec Of Maryland landline and VOIP March 3rd 2001
(443) 590 Reisterstown Global Crossing Local Services-md landline and VOIP July 22nd 1999
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(443) 592 Elkridge Xo Maryland landline and VOIP January 14th 2000
(443) 593 Elkton Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 594 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 595 Sparks Glencoe Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 596 Essex Xo Maryland landline and VOIP January 14th 2000
(443) 597 Severna Park Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 598 Sherwood Forest Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 599 Baltimore Global Crossing Local Services-md Baltimore City landline and VOIP July 22nd 1999
(443) 600 Essex Omnipoint Communications Cap Operations Cell Number July 23rd 2001
(443) 601 Fallston Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 602 Catonsville Cellco Partnership DBA Verizon Wireless Cell Number February 15th 2007
(443) 603 Annapolis Paetec Communications landline and VOIP May 18th 1998
(443) 604 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number February 27th 1999
(443) 605 Westminster Cavalier Telephone Mid-atlantic landline and VOIP October 31st 2000
(443) 606 Fork Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 607 West River Cavalier Telephone Mid-atlantic landline and VOIP October 31st 2000
(443) 608 Towson Leap Wireless Intl DBA Cricket Comm Cell Number February 27th 2009
(443) 609 Sykesville Cavalier Telephone Mid-atlantic landline and VOIP October 31st 2000
(443) 610 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number October 13th 1999
(443) 612 Catonsville Verizon Maryland landline and VOIP August 14th 1998
(443) 613 Towson Leap Wireless Intl DBA Cricket Comm Cell Number February 27th 2009
(443) 614 Salisbury Cellco Partnership DBA Verizon Wireless Wicomico Cell Number July 23rd 2001
(443) 615 Catonsville Cellco Partnership DBA Verizon Wireless Cell Number May 10th 2007
(443) 616 Bel Air Cavalier Telephone Mid-atlantic landline and VOIP October 31st 2000
(443) 617 Fallston Cellco Partnership DBA Verizon Wireless Cell Number April 11th 2005
(443) 618 Glen Burnie Cellco Partnership DBA Verizon Wireless Cell Number June 13th 2000
(443) 619 Bel Air Cellco Partnership DBA Verizon Wireless Cell Number June 5th 2009
(443) 620 Baltimore Teleport Communications America Baltimore City landline and VOIP August 14th 1998
(443) 621 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number February 27th 1999
(443) 622 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number February 27th 1999
(443) 623 Glen Burnie Sprint Spectrum L.p. Cell Number August 20th 2002
(443) 624 Prince Frederick Cellco Partnership DBA Verizon Wireless Cell Number March 6th 2002
(443) 625 Fork Broadwing Communications. LLC landline and VOIP February 21st 2001
(443) 626 Middle River Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 627 Baltimore Verizon Maryland Baltimore City landline and VOIP September 26th 2006
(443) 628 Glen Burnie Xo Maryland landline and VOIP January 14th 2000
(443) 629 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number August 14th 1998
(443) 630 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number May 8th 2008
(443) 631 Catonsville New Cingular Wireless PCS - DC Cell Number August 16th 2005
(443) 632 Towson Us Lec Of Maryland landline and VOIP January 14th 2000
(443) 633 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number July 18th 2011
(443) 634 Odenton Verizon Maryland Anne Arundel landline and VOIP November 9th 2011
(443) 635 Baltimore Leap Wireless Intl DBA Cricket Comm Baltimore City Cell Number October 14th 2009
(443) 636 Catonsville Omnipoint Communications Cap Operations landline and VOIP June 25th 2005
(443) 637 Baltimore Xo Maryland Baltimore City landline and VOIP February 21st 2001
(443) 638 Ellicott City Global Naps South landline and VOIP January 14th 2000
(443) 639 Hampstead Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 640 Bel Air Us Lec Of Maryland landline and VOIP May 18th 2001
(443) 641 Pikesville Broadwing Communications. LLC landline and VOIP May 18th 2001
(443) 642 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number November 8th 2006
(443) 643 Bel Air Verizon Maryland landline and VOIP October 13th 1999
(443) 644 Jarrettsville Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 645 Millersville Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 646 North Beach Ctc Communications Corp. Calvert landline and VOIP January 14th 2000
(443) 647 New Windsor Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 648 Baltimore Teleport Communications America Baltimore City landline and VOIP August 14th 1998
(443) 649 Sparrows Point Us Lec Of Maryland landline and VOIP June 20th 2001
(443) 650 Reisterstown Allegiance Telecom landline and VOIP February 20th 2001
(443) 651 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number July 8th 2011
(443) 652 Towson Verizon Maryland landline and VOIP May 28th 2002
(443) 653 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number May 18th 2001
(443) 654 Jessup Verizon Maryland landline and VOIP August 28th 2008
(443) 655 Bel Air New Cingular Wireless PCS - DC Cell Number October 13th 1999
(443) 656 Columbia Cavalier Telephone Mid-atlantic Howard landline and VOIP May 10th 2001
(443) 657 Randallstown Tw Telecom Of Maryland LLC landline and VOIP October 13th 1999
(443) 658 Woodlawn Global Naps South landline and VOIP January 14th 2000
(443) 659 West River Global Naps South landline and VOIP January 14th 2000
(443) 660 Baltimore Comcast Phone Of Northern Maryland Baltimore City landline and VOIP June 30th 2001
(443) 661 Jessup Cavalier Telephone Mid-atlantic landline and VOIP October 13th 1999
(443) 662 Sparks Glencoe Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 663 Woodlawn Verizon Maryland landline and VOIP June 30th 2001
(443) 664 Ocean City Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 665 Nanticoke Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 666 Chestertown Level 3 Communications Cell Number May 23rd 2012
(443) 668 Catonsville New Cingular Wireless PCS - DC Cell Number January 15th 2001
(443) 669 Delmar Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 670 Catonsville Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 671 New Windsor Teleport Communications America landline and VOIP February 27th 1999
(443) 672 Parkton Teleport Communications America landline and VOIP February 27th 1999
(443) 673 Brooklyn Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 674 North East Teleport Communications America landline and VOIP February 27th 1999
(443) 675 Randallstown Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 676 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number June 20th 2001
(443) 677 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number March 15th 2001
(443) 678 Parkville Verizon Maryland landline and VOIP August 20th 2000
(443) 679 Baltimore Teleport Communications America Baltimore City landline and VOIP August 14th 1998
(443) 680 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number September 27th 2010
(443) 681 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number June 5th 2009
(443) 682 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City landline and VOIP December 19th 2006
(443) 683 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number April 9th 2007
(443) 684 Prince Frederick Cellco Partnership DBA Verizon Wireless Cell Number October 8th 2008
(443) 685 Severn Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 686 Fallston Sprint Spectrum L.p. Cell Number May 10th 2005
(443) 687 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number September 8th 2009
(443) 688 Severn Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 689 Cockeysville Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 690 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number June 13th 2000
(443) 691 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number January 15th 2001
(443) 692 Baltimore Allegiance Telecom Baltimore City landline and VOIP June 13th 2000
(443) 693 Perryville Teleport Communications America landline and VOIP February 27th 1999
(443) 694 Severna Park Sprint Spectrum L.p. Cell Number April 20th 2001
(443) 695 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number January 14th 2000
(443) 696 Dundalk Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 697 Catonsville Global Naps South landline and VOIP January 14th 2000
(443) 698 Odenton Teleport Communications America Anne Arundel landline and VOIP August 14th 1998
(443) 699 Annapolis Cellco Partnership DBA Verizon Wireless Cell Number August 10th 2011
(443) 701 Arbutus Xo Maryland Baltimore landline and VOIP October 31st 2000
(443) 702 Pasadena Cavalier Telephone Mid-atlantic landline and VOIP May 10th 2001
(443) 703 Baltimore Xo Maryland Baltimore City landline and VOIP October 31st 2000
(443) 704 Odenton Cavalier Telephone Mid-atlantic Anne Arundel landline and VOIP May 10th 2001
(443) 705 Cockeysville Xo Maryland landline and VOIP January 14th 2000
(443) 706 Crisfield Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 708 Baltimore Tw Telecom Of Maryland LLC Baltimore City landline and VOIP August 20th 2000
(443) 709 Arbutus Cavalier Telephone Mid-atlantic Baltimore landline and VOIP October 13th 1999
(443) 710 Baltimore Xo Maryland Baltimore City landline and VOIP October 31st 2000
(443) 712 Reisterstown Cavalier Telephone Mid-atlantic landline and VOIP October 31st 2000
(443) 713 Columbia Peerless Network Of Maryland Howard Cell Number September 19th 2012
(443) 714 Columbia Sprint Spectrum L.p. Howard landline and VOIP September 30th 2011
(443) 715 North East Cavalier Telephone (mid-atlantic) landline and VOIP February 27th 1999
(443) 716 Annapolis Cavalier Telephone Mid-atlantic landline and VOIP October 31st 2000
(443) 717 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number September 14th 2005
(443) 718 Columbia Us Lec Of Maryland Howard landline and VOIP March 5th 2008
(443) 719 Jarrettsville Cavalier Telephone Mid-atlantic landline and VOIP October 31st 2000
(443) 720 Elkton Xo Maryland landline and VOIP November 27th 2012
(443) 721 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number July 6th 2009
(443) 722 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number March 9th 2001
(443) 723 Brooklyn Sprint Spectrum L.p. landline and VOIP October 6th 2011
(443) 724 Easton Cavalier Telephone (mid-atlantic) Talbot landline and VOIP November 20th 1998
(443) 725 Baltimore Paetec Communications Baltimore City landline and VOIP January 14th 2000
(443) 726 Towson Sprint Spectrum L.p. landline and VOIP October 6th 2011
(443) 727 Bishopville Cavalier Telephone (mid-atlantic) landline and VOIP November 20th 1998
(443) 728 Berlin Cavalier Telephone (mid-atlantic) Worcester landline and VOIP November 20th 1998
(443) 729 Baltimore Paetec Communications Baltimore City landline and VOIP January 14th 2000
(443) 730 Baltimore Paetec Communications Baltimore City landline and VOIP January 14th 2000
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(443) 732 Westminster Teleport Communications America landline and VOIP February 27th 1999
(443) 733 Baltimore AT&T; Local Baltimore City landline and VOIP October 31st 2001
(443) 734 Severn Verizon Maryland landline and VOIP May 10th 1999
(443) 735 Salisbury New Cingular Wireless PCS - DC Wicomico Cell Number February 27th 1999
(443) 736 Salisbury New Cingular Wireless PCS - DC Wicomico Cell Number November 20th 1998
(443) 737 Baltimore Paetec Communications Baltimore City landline and VOIP October 31st 2001
(443) 738 Baltimore Paetec Communications Baltimore City landline and VOIP January 14th 2000
(443) 739 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number July 23rd 2001
(443) 740 Baltimore Telcove Operations Baltimore City landline and VOIP February 3rd 2005
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(443) 742 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number August 20th 2000
(443) 743 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number April 7th 2008
(443) 744 Reisterstown Sprint Spectrum L.p. Cell Number July 2nd 2002
(443) 745 Columbia Cellco Partnership DBA Verizon Wireless Howard Cell Number November 20th 1998
(443) 746 Easton Level 3 Communications Talbot landline and VOIP February 22nd 2002
(443) 747 Port Deposit Core Communications landline and VOIP February 22nd 2002
(443) 748 Millersville Cavalier Telephone Mid-atlantic landline and VOIP May 11th 2001
(443) 749 Baltimore Cavalier Telephone Mid-atlantic Baltimore City landline and VOIP March 3rd 2001
(443) 750 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number June 8th 2010
(443) 751 Woodlawn Cavalier Telephone Mid-atlantic landline and VOIP May 11th 2001
(443) 752 Bel Air Cellco Partnership DBA Verizon Wireless landline and VOIP October 17th 2001
(443) 753 Jessup Allegiance Telecom landline and VOIP October 31st 2000
(443) 754 Salisbury Cellco Partnership DBA Verizon Wireless Wicomico Cell Number June 9th 2010
(443) 755 Elkridge Verizon Maryland landline and VOIP February 27th 1999
(443) 756 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number August 20th 2000
(443) 757 Elkridge Cavalier Telephone Mid-atlantic landline and VOIP May 11th 2001
(443) 758 Annapolis AT&T; Local landline and VOIP August 14th 1998
(443) 759 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number October 29th 2007
(443) 760 Aberdeen AT&T; Local Harford landline and VOIP August 14th 1998
(443) 761 Towson Omnipoint Communications Cap Operations Cell Number May 28th 2008
(443) 762 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number January 10th 2001
(443) 763 Baltimore Omnipoint Communications Cap Operations Baltimore City landline and VOIP May 18th 1998
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(443) 765 Catonsville New Cingular Wireless PCS - DC Cell Number July 23rd 2001
(443) 766 Columbia Us Lec Of Maryland Howard landline and VOIP May 18th 2005
(443) 767 Reisterstown Cavalier Telephone Mid-atlantic landline and VOIP May 11th 2001
(443) 768 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number May 18th 2001
(443) 769 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number September 16th 2008
(443) 770 Pasadena Verizon Maryland landline and VOIP March 3rd 2001
(443) 771 Prince Frederick Cellco Partnership DBA Verizon Wireless Cell Number September 8th 2010
(443) 772 Essex Cavalier Telephone Mid-atlantic landline and VOIP July 23rd 2001
(443) 773 Baltimore Allegiance Telecom Baltimore City landline and VOIP August 20th 2000
(443) 774 Baltimore Global Naps South Baltimore City landline and VOIP August 20th 2000
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(443) 777 Essex Verizon Maryland landline and VOIP August 20th 2000
(443) 778 Laurel Verizon Maryland landline and VOIP May 18th 1998
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(443) 782 Annapolis Xo Maryland landline and VOIP January 14th 2000
(443) 783 Salisbury Cellco Partnership DBA Verizon Wireless Wicomico Cell Number February 27th 1999
(443) 784 Baltimore Teleport Communications America Baltimore City landline and VOIP February 27th 1999
(443) 785 Arbutus Global Naps South Baltimore landline and VOIP January 14th 2000
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(443) 790 Glen Burnie Sprint Spectrum L.p. Cell Number November 19th 2001
(443) 791 Towson New Cingular Wireless PCS - DC Cell Number August 20th 2000
(443) 792 Brooklyn Verizon Maryland landline and VOIP October 18th 2007
(443) 793 Baltimore Xo Maryland Baltimore City landline and VOIP October 31st 2000
(443) 794 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number January 14th 2000
(443) 795 Baltimore Xo Maryland Baltimore City landline and VOIP October 31st 2000
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(443) 797 Baltimore Xo Maryland Baltimore City landline and VOIP October 31st 2000
(443) 798 Towson Tw Telecom Of Maryland LLC landline and VOIP May 10th 1999
(443) 799 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number July 23rd 2001
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(443) 808 Annapolis Bandwidth.com Clec landline and VOIP April 4th 2014
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(443) 812 Columbia Cellco Partnership DBA Verizon Wireless Howard Cell Number January 15th 2001
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(443) 815 Baltimore Xo Maryland Baltimore City landline and VOIP October 31st 2000
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(443) 820 Baltimore Paetec Communications Baltimore City landline and VOIP May 18th 1998
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(443) 822 Annapolis Sprint Spectrum L.p. Cell Number August 14th 1998
(443) 823 Towson Cellco Partnership DBA Verizon Wireless Cell Number July 13th 2006
(443) 824 Towson Omnipoint Communications Cap Operations Cell Number May 18th 2001
(443) 825 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number November 29th 2006
(443) 826 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number June 25th 2010
(443) 827 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number November 20th 1998
(443) 828 Ellicott City Cavalier Telephone Mid-atlantic landline and VOIP May 11th 2001
(443) 829 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number June 13th 2000
(443) 830 Catonsville Cavalier Telephone Mid-atlantic landline and VOIP August 21st 2001
(443) 831 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number November 20th 1998
(443) 832 Baltimore Level 3 Communications Baltimore City landline and VOIP July 22nd 1999
(443) 833 Arbutus Us Lec Of Maryland Baltimore landline and VOIP March 3rd 2001
(443) 834 Towson Cavalier Telephone Mid-atlantic landline and VOIP October 13th 1999
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(443) 836 Baltimore Xo Maryland Baltimore City landline and VOIP January 14th 2000
(443) 837 Annapolis Us Lec Of Maryland landline and VOIP September 24th 2001
(443) 838 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number July 22nd 1999
(443) 839 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number April 17th 2006
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(443) 841 Baltimore Verizon Maryland Baltimore City landline and VOIP July 22nd 1999
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(443) 843 Havre De Grace Verizon Maryland landline and VOIP July 22nd 1999
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(443) 846 Towson New Cingular Wireless PCS - DC landline and VOIP March 3rd 2001
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(443) 848 Baltimore Sprint Spectrum L.p. Baltimore City landline and VOIP March 3rd 2001
(443) 849 Towson Verizon Maryland landline and VOIP May 18th 2001
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(443) 851 Catonsville Omnipoint Communications Cap Operations Cell Number August 21st 2001
(443) 852 Annapolis New Cingular Wireless PCS - DC Cell Number August 21st 2001
(443) 853 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number July 27th 2010
(443) 854 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number November 19th 2001
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(443) 857 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number June 13th 2000
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(443) 861 Aberdeen Verizon Maryland Harford landline and VOIP August 13th 2009
(443) 862 Towson Cellco Partnership DBA Verizon Wireless Cell Number October 7th 2011
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(443) 864 Columbia Sprint Spectrum L.p. Howard Cell Number December 19th 2001
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(443) 867 Glen Burnie Paetec Communications landline and VOIP October 13th 1999
(443) 868 Baltimore Verizon Maryland Baltimore City landline and VOIP July 22nd 1999
(443) 869 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number June 12th 2006
(443) 870 Pikesville Tw Telecom Of Maryland LLC landline and VOIP May 10th 1999
(443) 871 Annapolis Sprint Spectrum L.p. Cell Number November 20th 1998
(443) 872 Baltimore Cavalier Telephone Mid-atlantic Baltimore City landline and VOIP March 3rd 2001
(443) 873 Pikesville Broadvox-clec landline and VOIP February 23rd 2010
(443) 874 Baltimore Cavalier Telephone Mid-atlantic Baltimore City landline and VOIP March 3rd 2001
(443) 875 Annapolis New Cingular Wireless PCS - DC landline and VOIP March 3rd 2001
(443) 876 Bel Air Sprint Spectrum L.p. landline and VOIP March 3rd 2001
(443) 877 North East Level 3 Communications landline and VOIP October 13th 1999
(443) 878 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City landline and VOIP March 3rd 2001
(443) 879 Baltimore Verizon Maryland Baltimore City landline and VOIP March 3rd 2001
(443) 880 Salisbury AT&T; Local Wicomico landline and VOIP November 20th 1998
(443) 881 Reisterstown Sprint Spectrum L.p. Cell Number September 26th 2006
(443) 882 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number February 1st 2011
(443) 883 Baltimore AT&T; Local Baltimore City landline and VOIP August 14th 1998
(443) 884 Baltimore Cavalier Telephone Mid-atlantic Baltimore City landline and VOIP March 3rd 2001
(443) 885 Baltimore Verizon Maryland Baltimore City landline and VOIP August 14th 1998
(443) 886 Baltimore AT&T; Local Baltimore City landline and VOIP August 14th 1998
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(443) 889 Glen Burnie Omnipoint Communications Cap Operations Cell Number April 20th 2001
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(443) 891 Baltimore Xo Maryland Baltimore City landline and VOIP October 31st 2000
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(443) 894 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number June 30th 2011
(443) 895 Towson Cellco Partnership DBA Verizon Wireless Cell Number April 9th 2007
(443) 896 Baltimore AT&T; Local Baltimore City landline and VOIP August 14th 1998
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(443) 899 Elkridge Broadwing Communications. LLC landline and VOIP March 3rd 2001
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(443) 901 Towson Cavalier Telephone Mid-atlantic landline and VOIP August 21st 2001
(443) 902 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number January 6th 2011
(443) 903 Bel Air Cellco Partnership DBA Verizon Wireless Cell Number September 7th 2011
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(443) 905 Annapolis Sprint Spectrum L.p. Cell Number August 12th 2011
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(443) 907 Elkton Cellco Partnership DBA Verizon Wireless Cell Number April 20th 2001
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(443) 914 Reisterstown Teleport Communications America landline and VOIP February 27th 1999
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(443) 917 Columbia Broadvox-clec Howard Cell Number October 7th 2011
(443) 918 Taneytown Teleport Communications America landline and VOIP February 27th 1999
(443) 919 Baltimore Cavalier Telephone Mid-atlantic Baltimore City landline and VOIP March 3rd 2001
(443) 920 Sykesville Teleport Communications America landline and VOIP February 27th 1999
(443) 921 Baltimore Paetec Communications Baltimore City landline and VOIP October 13th 1999
(443) 922 Edgewood Atx Telecommunications Services, Ltd landline and VOIP February 7th 2006
(443) 923 Baltimore Cavalier Telephone Mid-atlantic Baltimore City landline and VOIP May 11th 2001
(443) 924 Annapolis Cellco Partnership DBA Verizon Wireless Cell Number July 6th 2009
(443) 925 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number February 24th 2006
(443) 926 Annapolis Broadwing Communications. LLC landline and VOIP August 20th 2000
(443) 927 Baltimore Broadwing Communications. LLC Baltimore City landline and VOIP August 20th 2000
(443) 928 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number September 24th 2001
(443) 929 Pikesville Omnipoint Communications Cap Operations Cell Number April 20th 2001
(443) 930 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number April 6th 2011
(443) 931 Baltimore Mci Worldcom Communications Baltimore City landline and VOIP October 24th 2011
(443) 932 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number August 22nd 2011
(443) 933 Cockeysville Teleport Communications America landline and VOIP April 20th 2004
(443) 934 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number December 4th 2007
(443) 935 Towson New Cingular Wireless PCS - DC Cell Number July 31st 2006
(443) 937 Union Bridge Teleport Communications America landline and VOIP February 27th 1999
(443) 938 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number August 6th 2007
(443) 939 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number September 23rd 2002
(443) 940 Pikesville Cavalier Telephone Mid-atlantic landline and VOIP August 21st 2001
(443) 941 Elkton New Cingular Wireless PCS - DC Cell Number September 7th 2011
(443) 942 Severna Park Teleport Communications America landline and VOIP August 14th 1998
(443) 943 Baltimore Teleport Communications America Baltimore City landline and VOIP August 14th 1998
(443) 944 Salisbury Comcast Phone Of Northern Maryland Wicomico landline and VOIP June 8th 2006
(443) 945 Elkton New Cingular Wireless PCS - DC Cell Number July 2nd 2002
(443) 946 Parkville Xo Maryland landline and VOIP January 14th 2000
(443) 947 Perryville Ctc Communications Corp. landline and VOIP January 14th 2000
(443) 948 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number August 22nd 2011
(443) 949 Annapolis Comcast Phone Of Northern Maryland landline and VOIP June 28th 2006
(443) 951 Annapolis Global Crossing Local Services-md landline and VOIP July 22nd 1999
(443) 952 Westminster Cellco Partnership DBA Verizon Wireless Cell Number September 7th 2011
(443) 953 Salisbury Cellco Partnership DBA Verizon Wireless Wicomico Cell Number September 7th 2011
(443) 954 Baltimore Paetec Communications Baltimore City landline and VOIP July 6th 2005
(443) 955 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number March 13th 2006
(443) 956 Baltimore New Cingular Wireless PCS - DC Baltimore City Cell Number January 14th 2000
(443) 957 Baltimore AT&T; Local Baltimore City landline and VOIP August 14th 1998
(443) 960 Glen Burnie Cellco Partnership DBA Verizon Wireless Cell Number October 7th 2011
(443) 962 Glen Burnie Cellco Partnership DBA Verizon Wireless Cell Number September 14th 2007
(443) 963 Baltimore Halo Wireless Services Baltimore City Cell Number December 1st 2011
(443) 964 North Beach Level 3 Communications Calvert landline and VOIP May 12th 2006
(443) 965 Baltimore Sprint Spectrum L.p. Baltimore City Cell Number June 21st 2006
(443) 966 Fallston Cellco Partnership DBA Verizon Wireless Cell Number September 13th 2006
(443) 967 North East Verizon Maryland landline and VOIP April 20th 2001
(443) 968 Prince Frederick New Cingular Wireless PCS - DC Cell Number July 22nd 1999
(443) 969 Essex Cavalier Telephone Mid-atlantic landline and VOIP May 11th 2001
(443) 970 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number November 21st 2011
(443) 971 Taneytown Bandwidth.com Clec landline and VOIP February 16th 2011
(443) 972 Cambridge Us Lec Of Maryland Dorchester Cell Number November 21st 2011
(443) 973 Baltimore Xo Maryland Baltimore City landline and VOIP June 30th 2001
(443) 974 Westminster Teleport Communications America landline and VOIP February 27th 1999
(443) 975 Prince Frederick New Cingular Wireless PCS - DC Cell Number March 3rd 2001
(443) 977 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number October 12th 2006
(443) 978 Salisbury Cellco Partnership DBA Verizon Wireless Wicomico Cell Number November 21st 2011
(443) 979 Columbia Cellco Partnership DBA Verizon Wireless Howard Cell Number November 21st 2011
(443) 980 Catonsville New Cingular Wireless PCS - DC Cell Number October 13th 1999
(443) 981 Fallston Cellco Partnership DBA Verizon Wireless Cell Number November 21st 2011
(443) 982 Baltimore Ymax Communications Corp. Baltimore City landline and VOIP May 30th 2007
(443) 983 Baltimore Omnipoint Communications Cap Operations Baltimore City Cell Number July 2nd 2002
(443) 984 Baltimore Verizon Maryland Baltimore City landline and VOIP October 31st 2000
(443) 985 Randallstown Omnipoint Communications Cap Operations Cell Number June 20th 2001
(443) 986 Baltimore Cellco Partnership DBA Verizon Wireless Baltimore City Cell Number July 13th 2006
(443) 987 Bel Air AT&T; Local landline and VOIP November 20th 1998
(443) 988 Centreville Level 3 Communications landline and VOIP June 8th 2006
(443) 989 Glen Burnie Cavalier Telephone Mid-atlantic landline and VOIP May 11th 2001
(443) 990 Baltimore Bandwidth.com Clec Baltimore City landline and VOIP February 4th 2011
(443) 991 Towson Cellco Partnership DBA Verizon Wireless Cell Number December 1st 2011
(443) 992 Baltimore Level 3 Communications Baltimore City landline and VOIP January 14th 2000
(443) 993 Elkton Metro PCS Cell Number December 13th 2010
(443) 994 Annapolis New Cingular Wireless PCS - DC Cell Number November 20th 1998
(443) 995 Annapolis New Cingular Wireless PCS - DC Cell Number August 20th 2000
(443) 996 Catonsville New Cingular Wireless PCS - DC Cell Number November 20th 1998
(443) 997 Baltimore Verizon Maryland Baltimore City landline and VOIP March 3rd 2001
(443) 998 Parkville Verizon Maryland landline and VOIP March 19th 2001

Cities that have coverage in 443 area code

Aberdeen
Annapolis
Arbutus
Baltimore
Bel Air
Berlin
Bishopville
Brooklyn
Cambridge
Cardiff
Catonsville
Centreville
Chesapeake City
Chestertown
Churchville
Cockeysville
Columbia
Crisfield
Crofton
Darlington
Delmar
Denton
Dundalk
Easton
Edgewood
Elkridge
Elkton
Ellicott City
Essex
Fallston
Federalsburg
Fork
Glen Burnie
Glenwood
Hampstead
Harmans
Havre De Grace
Jarrettsville
Jessup
Laurel
Mardela Springs
Middle River
Millersville
Nanticoke
New Windsor
North Beach
North East
Ocean City
Odenton
Parkton
Parkville
Pasadena
Perryville
Pikesville
Pocomoke
Port Deposit
Prince Frederick
Princess Anne
Queenstown
Randallstown
Reisterstown
Rhodesdale
Salisbury
Severn
Severna Park
Sherwood Forest
Snow Hill
Solomons
Sparks Glencoe
Sparrows Point
Stevensville
Sykesville
Taneytown
Towson
Trappe
Union Bridge
West River
Westminster
Willards
Woodlawn

Recently Unidentified 443 area code numbers

443 area code numbers that might be spam, scams or that people have reported as unidentified callers

Most searched 443 area code numbers

Cell Landline
All Time This Month All Time This Month
443-201-0000 443-201-0000 443-200-0000 443-200-0000
443-201-0010 443-201-0010 443-200-0055 443-200-0055
443-201-0969 443-201-0969 443-200-1234 443-200-1234
443-201-2134 443-201-2134 443-200-1268 443-200-1268
443-201-2420 443-201-2420 443-200-1730 443-200-1730
443-201-2450 443-201-2450 443-200-2091 443-200-2091
443-201-2451 443-201-2451 443-200-2106 443-200-2106
443-201-2464 443-201-2464 443-200-2162 443-200-2162
443-201-2540 443-201-2540 443-200-2282 443-200-2282
443-201-2553 443-201-2553 443-200-2326 443-200-2326
443-201-3777 443-201-3777 443-200-2362 443-200-2362
443-201-4564 443-201-4564 443-200-2433 443-200-2433
443-201-6188 443-201-6188 443-200-2501 443-200-2501
443-201-6208 443-201-6208 443-200-2551 443-200-2551
443-201-6470 443-201-6470 443-200-2560 443-200-2560
443-201-6528 443-201-6528 443-200-2590 443-200-2590
443-201-6602 443-201-6602 443-200-2627 443-200-2627
443-201-6728 443-201-6728 443-200-2644 443-200-2644
443-201-6932 443-201-6932 443-200-2664 443-200-2664
443-201-7104 443-201-7104 443-200-2738 443-200-2738

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