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Area Code 301 Information and Location Details

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

The 301 area code is located in Baltimore, Maryland including Indian Head, Chevy Chase, Fort Washington, Bethesda and was originally put into service on February 4th 1994. Since 301 was implemented, it has grown to 85 cities. The 301 area code currently has 773 phone number prefixes from carriers like Bandwidth.com Clec, New Cingular Wireless PCS - DC, Verizon Maryland, Usa Mobility Wireless and more.

Area Code Map

Area Code 301 Prefixes

Prefix # Primary City Phone Provider County Type First Added
(301) 200 Indian Head Bandwidth.com Clec landline and VOIP February 24th 2011
(301) 202 Chevy Chase New Cingular Wireless PCS - DC Cell Number December 19th 2008
(301) 203 Fort Washington Verizon Maryland landline and VOIP February 4th 1994
(301) 204 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number April 15th 1996
(301) 205 Edgewater Verizon Maryland landline and VOIP July 6th 1997
(301) 206 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 207 Greenbelt Usa Mobility Wireless Cell Number February 4th 1994
(301) 208 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 209 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 210 Beltsville Verizon Maryland landline and VOIP February 4th 1994
(301) 212 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 213 Beltsville Sprint Spectrum L.p. Cell Number July 6th 1997
(301) 214 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 215 Chevy Chase Verizon Maryland landline and VOIP February 4th 1994
(301) 216 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 217 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 218 Bowie Verizon Maryland landline and VOIP January 10th 1996
(301) 219 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number July 4th 1995
(301) 220 Greenbelt Verizon Maryland landline and VOIP February 4th 1994
(301) 221 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number September 11th 1994
(301) 222 Bethesda Cavalier Telephone Mid-atlantic Montgomery landline and VOIP October 11th 1997
(301) 223 Williamsport Verizon Maryland landline and VOIP February 4th 1994
(301) 224 Chevy Chase Usa Mobility Wireless Cell Number April 15th 1996
(301) 225 Glenn Dale Teleport Communications America - DC landline and VOIP May 21st 2009
(301) 226 Hyattsville Verizon Maryland landline and VOIP July 1st 1996
(301) 227 Glen Echo Verizon Maryland landline and VOIP February 4th 1994
(301) 228 Frederick Verizon Maryland Frederick landline and VOIP July 6th 1997
(301) 229 Glen Echo Verizon Maryland landline and VOIP February 4th 1994
(301) 230 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 231 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 232 Sandy Spring Mci Worldcom Communications landline and VOIP January 11th 1997
(301) 233 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number April 1st 1997
(301) 234 Fort Washington Verizon Maryland landline and VOIP January 11th 1997
(301) 235 Clinton Mcimetro Access Transmission Services LLC landline and VOIP January 11th 1997
(301) 236 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 237 Beltsville Sprint Spectrum L.p. Cell Number April 1st 1997
(301) 238 Temple Hills Verizon Maryland landline and VOIP February 4th 1994
(301) 239 Hyattsville Verizon Maryland Cell Number February 11th 1995
(301) 240 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 241 Highfield Verizon Maryland landline and VOIP January 10th 1996
(301) 242 Brandywine Mcimetro Access Transmission Services LLC landline and VOIP January 11th 1997
(301) 243 Bethesda Verizon Maryland Montgomery landline and VOIP July 20th 2006
(301) 244 Rockville Telcove Operations landline and VOIP January 11th 1997
(301) 245 Bittinger Verizon Maryland landline and VOIP February 4th 1994
(301) 246 Nanjemoy Verizon Maryland landline and VOIP February 4th 1994
(301) 247 Leonardtown New Cingular Wireless PCS - DC Cell Number January 10th 1996
(301) 248 Fort Washington Verizon Maryland landline and VOIP February 4th 1994
(301) 249 Bowie Verizon Maryland landline and VOIP February 4th 1994
(301) 250 Rockville Mci Worldcom Communications landline and VOIP January 11th 1997
(301) 251 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 252 Gaithersburg Sprint Spectrum L.p. Cell Number January 10th 1996
(301) 253 Damascus Verizon Maryland landline and VOIP February 4th 1994
(301) 254 Beltsville Sprint Spectrum L.p. Cell Number January 10th 1996
(301) 255 Rockville Verizon Maryland landline and VOIP January 11th 1997
(301) 256 Laurel Mci Worldcom Communications landline and VOIP January 11th 1997
(301) 257 Beltsville Sprint Spectrum L.p. Cell Number October 11th 1997
(301) 258 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 259 Issue Verizon Maryland landline and VOIP February 4th 1994
(301) 260 Ashton Verizon Maryland landline and VOIP July 6th 1997
(301) 261 Glenn Dale Verizon Maryland landline and VOIP February 4th 1994
(301) 262 Bowie Verizon Maryland landline and VOIP February 4th 1994
(301) 263 Glen Echo Verizon Maryland landline and VOIP April 1st 1997
(301) 264 Mount Savage Verizon Maryland landline and VOIP February 4th 1994
(301) 265 Fort Washington Verizon Maryland landline and VOIP January 11th 1997
(301) 266 Waldorf New Cingular Wireless PCS - DC Cell Number January 11th 1997
(301) 267 Greenbelt Sprint Spectrum L.p. Cell Number October 4th 2011
(301) 268 Cumberland Uscoc Of Cumberland DBA United States Cel Md Cell Number July 6th 1997
(301) 270 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 271 Thurmont Verizon Maryland landline and VOIP February 4th 1994
(301) 272 Rockville Mci Worldcom Communications landline and VOIP January 11th 1997
(301) 273 Silver Spring Mci Worldcom Communications landline and VOIP January 11th 1997
(301) 274 Hughesville Verizon Maryland landline and VOIP February 4th 1994
(301) 275 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number February 11th 1995
(301) 276 Hyattsville Mci Worldcom Communications landline and VOIP January 11th 1997
(301) 277 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 278 Mount Rainier Mci Worldcom Communications Prince Georges landline and VOIP January 11th 1997
(301) 279 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 280 Chevy Chase Verizon Maryland landline and VOIP October 11th 1997
(301) 281 Oxon Hill Mci Worldcom Communications landline and VOIP January 11th 1997
(301) 282 Silver Spring Verizon Maryland landline and VOIP July 4th 1995
(301) 283 Bryans Road Verizon Maryland landline and VOIP February 4th 1994
(301) 284 Rockville Mci Worldcom Communications landline and VOIP January 11th 1997
(301) 285 Silver Spring Verizon Maryland Cell Number July 4th 1995
(301) 286 Greenbelt Verizon Maryland landline and VOIP February 4th 1994
(301) 287 Rockville Mci Worldcom Communications landline and VOIP January 11th 1997
(301) 288 Rockville Mci Worldcom Communications landline and VOIP January 10th 1996
(301) 289 College Park Mci Worldcom Communications landline and VOIP January 11th 1997
(301) 290 Mechanicsville Verizon Maryland landline and VOIP July 6th 1997
(301) 291 Mount Rainier Mci Worldcom Communications Prince Georges landline and VOIP January 11th 1997
(301) 292 Fort Washington Verizon Maryland landline and VOIP February 4th 1994
(301) 293 Myersville Verizon Maryland landline and VOIP February 4th 1994
(301) 294 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 295 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 296 Rockville Mci Worldcom Communications landline and VOIP July 4th 1995
(301) 297 Fort Washington Verizon Maryland landline and VOIP February 4th 1994
(301) 298 Upper Marlboro Mcimetro Access Transmission Services LLC landline and VOIP April 1st 1997
(301) 299 Bethesda Verizon Maryland Montgomery landline and VOIP February 4th 1994
(301) 300 Bethesda Cellco Partnership DBA Verizon Wireless Montgomery Cell Number March 30th 2007
(301) 302 Hagerstown Sprint Spectrum L.p. Washington landline and VOIP October 5th 2004
(301) 303 Greenbelt Usa Mobility Wireless Cell Number February 4th 1994
(301) 304 Frederick Comcast Phone Of Northern Maryland Frederick landline and VOIP March 6th 2007
(301) 305 Frederick Sprint Spectrum L.p. Frederick Cell Number April 15th 1996
(301) 306 Lanham Verizon Maryland landline and VOIP February 4th 1994
(301) 307 College Park Verizon Maryland landline and VOIP July 1st 1996
(301) 308 Greenbelt Usa Mobility Wireless Cell Number February 4th 1994
(301) 309 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 310 Columbia Verizon Maryland Howard landline and VOIP July 1st 1996
(301) 312 Oxon Hill New Cingular Wireless PCS - DC Cell Number October 11th 1997
(301) 313 Greenbelt Verizon Maryland landline and VOIP October 11th 1997
(301) 314 Hyattsville Paetec Communications landline and VOIP February 4th 1994
(301) 315 Rockville Verizon Maryland landline and VOIP July 1st 1996
(301) 316 Temple Hills Verizon Maryland landline and VOIP July 6th 1997
(301) 317 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 318 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number February 4th 1994
(301) 319 Rockville Verizon Maryland landline and VOIP July 1st 1996
(301) 320 Glen Echo Verizon Maryland landline and VOIP February 4th 1994
(301) 321 Rockville Telcove Operations landline and VOIP July 6th 1997
(301) 322 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 323 Laurel Tw Telecom Of Maryland LLC landline and VOIP July 6th 1997
(301) 324 Capitol Heights Verizon Maryland landline and VOIP July 4th 1995
(301) 325 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number July 4th 1995
(301) 326 Silver Spring Omnipoint Communications Cap Operations Cell Number October 11th 1997
(301) 327 Upper Marlboro Comcast Phone Of Northern Maryland landline and VOIP March 9th 2006
(301) 328 Silver Spring Comcast Phone Of Northern Maryland landline and VOIP June 21st 2006
(301) 329 Greenbelt Cavalier Telephone Mid-atlantic Cell Number September 20th 2011
(301) 330 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 331 Hagerstown New Cingular Wireless PCS - DC Washington Cell Number February 4th 1994
(301) 332 Silver Spring New Cingular Wireless PCS - DC Cell Number October 15th 1996
(301) 333 Capitol Heights Verizon Maryland landline and VOIP January 11th 1997
(301) 334 Oakland Verizon Maryland Garrett landline and VOIP February 4th 1994
(301) 335 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number September 11th 1994
(301) 336 Capitol Heights Verizon Maryland landline and VOIP February 4th 1994
(301) 337 Gaithersburg Mci Worldcom Communications landline and VOIP July 4th 1995
(301) 338 Cumberland Idt America Corp landline and VOIP January 31st 2006
(301) 339 Rockville Cavalier Telephone Mid-atlantic landline and VOIP October 11th 1997
(301) 340 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 341 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 342 Patuxent River Verizon Maryland landline and VOIP January 10th 1996
(301) 343 Capitol Heights Sprint Spectrum L.p. Cell Number February 11th 1995
(301) 344 Greenbelt Verizon Maryland landline and VOIP February 4th 1994
(301) 345 Greenbelt Verizon Maryland landline and VOIP February 4th 1994
(301) 346 Silver Spring New Cingular Wireless PCS - DC Cell Number October 11th 1997
(301) 347 Chevy Chase Verizon Maryland landline and VOIP October 15th 1996
(301) 348 Kensington Mci Worldcom Communications landline and VOIP July 4th 1995
(301) 349 Poolesville Verizon Maryland landline and VOIP February 4th 1994
(301) 350 Capitol Heights Verizon Maryland landline and VOIP February 4th 1994
(301) 351 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number July 4th 1995
(301) 352 Bowie Verizon Maryland landline and VOIP September 11th 1994
(301) 353 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 354 Rockville Teleport Communications America - DC landline and VOIP January 10th 1996
(301) 355 Gaithersburg Verizon Maryland landline and VOIP December 8th 2005
(301) 356 Laurel Vdl DBA Global Telecom Brokers landline and VOIP August 17th 2004
(301) 357 Mount Rainier Cellco Partnership DBA Verizon Wireless Prince Georges Cell Number October 12th 2006
(301) 358 Upper Marlboro Level 3 Communications landline and VOIP October 11th 1997
(301) 359 Westernport Verizon Maryland landline and VOIP January 10th 1996
(301) 360 Frederick Verizon Maryland Frederick landline and VOIP January 25th 1998
(301) 361 Laurel Tw Telecom Of Maryland LLC landline and VOIP October 11th 1997
(301) 362 Laurel Verizon Maryland landline and VOIP October 11th 1997
(301) 363 Damascus Level 3 Communications landline and VOIP August 16th 2006
(301) 364 Hyattsville Mci Worldcom Communications landline and VOIP July 4th 1995
(301) 365 Bethesda Verizon Maryland Montgomery landline and VOIP February 4th 1994
(301) 366 Gaithersburg Sprint Spectrum L.p. Cell Number October 11th 1997
(301) 367 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 11th 1995
(301) 368 Damascus Verizon Maryland landline and VOIP January 25th 1998
(301) 369 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 370 Gaithersburg Sprint Spectrum L.p. Cell Number May 18th 1998
(301) 371 Middletown Verizon Maryland landline and VOIP February 4th 1994
(301) 372 Brandywine Verizon Maryland landline and VOIP February 4th 1994
(301) 373 Hollywood Verizon Maryland landline and VOIP February 4th 1994
(301) 374 Waldorf Verizon Maryland landline and VOIP February 11th 1995
(301) 375 Bryans Road Verizon Maryland landline and VOIP February 4th 1994
(301) 376 Laurel Verizon Maryland Cell Number April 1st 1997
(301) 377 Laurel Comcast Phone Of Northern Maryland landline and VOIP October 11th 1997
(301) 378 Frederick Comcast Phone Of Northern Maryland Frederick landline and VOIP February 20th 2007
(301) 379 Beltsville Sprint Spectrum L.p. Cell Number January 25th 1998
(301) 380 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 382 Rockville Verizon Maryland Cell Number October 15th 1996
(301) 383 Glenn Dale Comcast Phone Of Northern Maryland landline and VOIP October 11th 1997
(301) 384 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 385 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number April 1st 1997
(301) 386 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 387 Swanton Verizon Maryland landline and VOIP February 4th 1994
(301) 388 Silver Spring Verizon Maryland landline and VOIP October 11th 1997
(301) 389 Laurel Tw Telecom Of Maryland LLC landline and VOIP January 25th 1998
(301) 390 Bowie Verizon Maryland landline and VOIP February 4th 1994
(301) 391 Damascus Verizon Maryland landline and VOIP February 11th 1995
(301) 392 La Plata Verizon Maryland Charles landline and VOIP July 6th 1997
(301) 393 Hagerstown Verizon Maryland Washington landline and VOIP January 25th 1998
(301) 394 Beltsville Verizon Maryland landline and VOIP February 4th 1994
(301) 395 Laurel Cellco Partnership DBA Verizon Wireless Cell Number August 17th 2004
(301) 396 Waldorf Verizon Maryland landline and VOIP January 25th 1998
(301) 397 Greenbelt Verizon Maryland Cell Number February 11th 1995
(301) 398 Rockville Verizon Maryland landline and VOIP October 9th 2003
(301) 399 Waldorf Sprint Spectrum L.p. Cell Number January 25th 1998
(301) 400 Rockville Verizon Maryland landline and VOIP March 29th 2010
(301) 401 Frederick New Cingular Wireless PCS - DC Frederick Cell Number February 4th 1994
(301) 402 Bethesda Verizon Maryland Montgomery landline and VOIP February 4th 1994
(301) 403 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 404 Beltsville Sprint Spectrum L.p. Cell Number April 15th 1996
(301) 405 Hyattsville Paetec Communications landline and VOIP February 4th 1994
(301) 406 Chevy Chase Usa Mobility Wireless Cell Number February 4th 1994
(301) 407 Poolesville Verizon Maryland landline and VOIP July 1st 1996
(301) 408 Hyattsville Verizon Maryland landline and VOIP July 1st 1996
(301) 409 Greenbelt Usa Mobility Wireless Cell Number February 4th 1994
(301) 412 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number February 4th 1994
(301) 413 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 414 Damascus Verizon Maryland landline and VOIP February 4th 1994
(301) 415 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 416 Williamsport Verizon Maryland landline and VOIP February 4th 1994
(301) 417 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 418 Frederick Verizon Maryland Frederick landline and VOIP November 20th 2002
(301) 419 Beltsville Verizon Maryland landline and VOIP February 4th 1994
(301) 420 Suitland Verizon Maryland landline and VOIP February 4th 1994
(301) 421 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 422 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 423 Temple Hills Verizon Maryland landline and VOIP February 4th 1994
(301) 424 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 425 Beltsville Verizon Maryland Cell Number September 11th 1994
(301) 426 Beltsville Verizon Maryland Cell Number April 15th 1996
(301) 427 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 428 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 429 Lanham Verizon Maryland landline and VOIP January 11th 1997
(301) 430 Bowie Verizon Maryland landline and VOIP October 11th 1997
(301) 431 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 432 Keedysville Verizon Maryland landline and VOIP February 4th 1994
(301) 433 Fort Washington Verizon Maryland landline and VOIP January 11th 1997
(301) 434 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 435 Bethesda Verizon Maryland Montgomery landline and VOIP July 4th 1995
(301) 436 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 437 Beltsville Sprint Spectrum L.p. Cell Number August 14th 1998
(301) 438 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 439 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 440 Capitol Heights Sprint Spectrum L.p. Cell Number May 18th 1998
(301) 441 Greenbelt Verizon Maryland landline and VOIP February 4th 1994
(301) 442 Beltsville Sprint Spectrum L.p. Cell Number January 25th 1998
(301) 443 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 444 Gaithersburg Verizon Maryland landline and VOIP January 25th 1998
(301) 445 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 446 Greenbelt Verizon Maryland landline and VOIP August 14th 1998
(301) 447 Emmitsburg Verizon Maryland landline and VOIP February 4th 1994
(301) 448 Silver Spring Comcast Phone Of Northern Maryland landline and VOIP August 20th 2000
(301) 449 Fort Washington Verizon Maryland landline and VOIP February 4th 1994
(301) 451 Bethesda Verizon Maryland Montgomery landline and VOIP May 10th 1999
(301) 452 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 11th 1995
(301) 453 Kitzmiller Verizon Maryland landline and VOIP February 4th 1994
(301) 454 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 455 Beltsville Sprint Spectrum L.p. Cell Number January 25th 1998
(301) 456 Mount Rainier Comcast Phone Of Northern Maryland Prince Georges landline and VOIP April 1st 1997
(301) 457 Silver Spring Verizon Maryland landline and VOIP February 11th 1995
(301) 458 Mount Rainier Teleport Communications America - DC Prince Georges landline and VOIP July 4th 1995
(301) 459 Lanham Verizon Maryland landline and VOIP February 4th 1994
(301) 460 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 461 Rockville Cellco Partnership DBA Verizon Wireless Cell Number May 18th 1998
(301) 462 Myersville Sprint Spectrum L.p. Cell Number October 11th 1997
(301) 463 Lonaconing Verizon Maryland landline and VOIP February 4th 1994
(301) 464 Bowie Verizon Maryland landline and VOIP February 4th 1994
(301) 465 Myersville Sprint Spectrum L.p. Cell Number January 11th 1997
(301) 466 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number July 4th 1995
(301) 467 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number January 10th 1996
(301) 468 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 469 Bethesda Verizon Maryland Montgomery landline and VOIP February 4th 1994
(301) 470 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 471 Frederick Cellco Partnership DBA Verizon Wireless Frederick Cell Number April 15th 1996
(301) 472 Mechanicsville Verizon Maryland landline and VOIP September 11th 1994
(301) 473 Frederick Verizon Maryland Frederick landline and VOIP February 4th 1994
(301) 474 Greenbelt Verizon Maryland landline and VOIP February 4th 1994
(301) 475 Leonardtown Verizon Maryland landline and VOIP February 4th 1994
(301) 476 Silver Spring Verizon Maryland landline and VOIP September 11th 1994
(301) 477 College Park Comcast Phone Of Northern Maryland landline and VOIP October 11th 1997
(301) 478 Oldtown Verizon Maryland landline and VOIP February 4th 1994
(301) 479 College Park Mci Worldcom Communications landline and VOIP July 4th 1995
(301) 480 Bethesda Verizon Maryland Montgomery landline and VOIP February 4th 1994
(301) 481 Leonardtown Cellco Partnership DBA Verizon Wireless Cell Number April 15th 1996
(301) 482 Damascus Verizon Maryland landline and VOIP April 15th 1996
(301) 483 Laurel Verizon Maryland landline and VOIP April 15th 1996
(301) 484 Oxon Hill Comcast Phone Of Northern Maryland landline and VOIP April 1st 1997
(301) 485 Oxon Hill Comcast Phone Of Northern Maryland landline and VOIP April 1st 1997
(301) 486 Greenbelt Verizon Maryland landline and VOIP January 11th 1997
(301) 487 Myersville Verizon Maryland landline and VOIP February 4th 1994
(301) 488 Greenbelt Verizon Maryland Cell Number January 25th 1998
(301) 489 Greenbelt Verizon Maryland landline and VOIP September 11th 1994
(301) 490 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 491 Hagerstown Uscoc Of Cumberland DBA United States Cel Md Washington Cell Number February 4th 1994
(301) 492 Chevy Chase Verizon Maryland landline and VOIP February 4th 1994
(301) 493 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 494 Upper Marlboro Verizon Maryland landline and VOIP October 15th 1996
(301) 495 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 496 Bethesda Verizon Maryland Montgomery landline and VOIP February 4th 1994
(301) 497 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 498 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 499 Capitol Heights Verizon Maryland landline and VOIP February 4th 1994
(301) 500 Chevy Chase Xo Maryland landline and VOIP September 1st 2010
(301) 501 Oakland New Cingular Wireless PCS - DC Garrett Cell Number February 4th 1994
(301) 502 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 503 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number February 4th 1994
(301) 504 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 505 Temple Hills Verizon Maryland landline and VOIP February 4th 1994
(301) 506 Greenbelt Usa Mobility Wireless Cell Number February 4th 1994
(301) 507 Greenbelt Verizon Maryland landline and VOIP February 4th 1994
(301) 508 Myersville New Cingular Wireless PCS - DC Cell Number May 18th 1998
(301) 509 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 510 Greenbelt Usa Mobility Wireless Cell Number February 4th 1994
(301) 512 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number January 10th 1996
(301) 513 Greenbelt Verizon Maryland landline and VOIP February 4th 1994
(301) 514 Frederick Cellco Partnership DBA Verizon Wireless Frederick Cell Number July 1st 1996
(301) 515 Gaithersburg Verizon Maryland landline and VOIP January 10th 1996
(301) 516 Suitland Verizon Maryland landline and VOIP April 1st 1997
(301) 517 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 518 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 519 Gaithersburg Verizon Maryland landline and VOIP April 1st 1997
(301) 520 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 521 Oxon Hill Verizon Maryland landline and VOIP April 1st 1997
(301) 522 Rockville Verizon Maryland Cell Number April 1st 1997
(301) 523 Beltsville Sprint Spectrum L.p. Cell Number October 15th 1996
(301) 524 Frederick Sprint Spectrum L.p. Frederick Cell Number August 14th 1998
(301) 525 Gaithersburg Quantum Telecommunications landline and VOIP October 16th 2003
(301) 526 Silver Spring New Cingular Wireless PCS - DC Cell Number August 14th 1998
(301) 527 Gaithersburg Verizon Maryland landline and VOIP February 11th 1995
(301) 528 Gaithersburg Verizon Maryland landline and VOIP August 14th 1998
(301) 529 Rockville New Cingular Wireless PCS - DC Cell Number August 14th 1998
(301) 530 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 531 Hyattsville Starpower Communications landline and VOIP November 20th 1998
(301) 533 Oakland Verizon Maryland Garrett landline and VOIP August 14th 1998
(301) 534 Indian Head Ymax Communications Corp. landline and VOIP November 15th 2006
(301) 535 Waldorf New Cingular Wireless PCS - DC Cell Number August 14th 1998
(301) 536 Leonardtown Sprint Spectrum L.p. Cell Number November 20th 1998
(301) 537 Beltsville Sprint Spectrum L.p. Cell Number August 14th 1998
(301) 538 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number February 11th 1995
(301) 539 La Plata Teleport Communications America - DC Charles landline and VOIP August 14th 1998
(301) 540 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 541 Mount Rainier Teleport Communications America - DC Prince Georges landline and VOIP November 20th 1998
(301) 542 Waldorf Teleport Communications America - DC landline and VOIP August 14th 1998
(301) 543 Laurel Teleport Communications America - DC landline and VOIP October 11th 1997
(301) 544 Rockville Verizon Maryland Cell Number November 20th 1998
(301) 545 Rockville Verizon Maryland landline and VOIP October 11th 1997
(301) 546 Landover Verizon Maryland landline and VOIP April 7th 2014
(301) 547 Mount Rainier Teleport Communications America - DC Prince Georges landline and VOIP January 10th 1996
(301) 548 Gaithersburg Verizon Maryland landline and VOIP February 11th 1995
(301) 549 Laurel Verizon Maryland landline and VOIP September 11th 1994
(301) 551 Kensington Baltimore-washington Telephone (bwt) landline and VOIP June 13th 2000
(301) 552 Lanham Verizon Maryland landline and VOIP February 4th 1994
(301) 553 Waldorf Usa Mobility Wireless Cell Number May 18th 1998
(301) 554 Bethesda Usa Mobility Wireless Montgomery Cell Number May 18th 1998
(301) 556 Gaithersburg Teleport Communications America - DC landline and VOIP October 11th 1997
(301) 557 Mount Rainier Broadwing Communications. LLC Prince Georges landline and VOIP September 6th 2011
(301) 558 College Park Usa Mobility Wireless Cell Number May 18th 1998
(301) 559 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 560 Hyattsville Paetec Communications landline and VOIP August 14th 1998
(301) 561 Silver Spring Baltimore-washington Telephone (bwt) landline and VOIP March 3rd 2001
(301) 562 Silver Spring Verizon Maryland landline and VOIP April 1st 1997
(301) 563 Silver Spring Verizon Maryland landline and VOIP April 1st 1997
(301) 564 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 565 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 566 Beltsville Verizon Maryland Cell Number October 11th 1997
(301) 567 Oxon Hill Verizon Maryland landline and VOIP February 4th 1994
(301) 568 Suitland Verizon Maryland landline and VOIP February 4th 1994
(301) 569 Gaithersburg Cellco Partnership DBA Verizon Wireless Cell Number August 14th 1998
(301) 570 Ashton Verizon Maryland landline and VOIP February 4th 1994
(301) 571 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 572 Beltsville Verizon Maryland landline and VOIP February 4th 1994
(301) 573 Hagerstown Sprint Spectrum L.p. Washington Cell Number November 20th 1998
(301) 574 Upper Marlboro Verizon Maryland landline and VOIP February 11th 1995
(301) 575 Laurel Us Lec Of Maryland landline and VOIP August 14th 1998
(301) 576 Silver Spring Paetec Communications landline and VOIP August 14th 1998
(301) 577 Lanham Verizon Maryland landline and VOIP February 4th 1994
(301) 578 Silver Spring Verizon Maryland landline and VOIP October 15th 1996
(301) 579 Brandywine Verizon Maryland landline and VOIP February 4th 1994
(301) 580 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 581 Rockville Verizon Maryland landline and VOIP April 1st 1997
(301) 582 Hagerstown Verizon Maryland Washington landline and VOIP February 4th 1994
(301) 583 Hyattsville Verizon Maryland landline and VOIP January 25th 1998
(301) 584 Silver Spring Baltimore-washington Telephone (bwt) landline and VOIP June 13th 2000
(301) 585 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 586 Beltsville Verizon Maryland landline and VOIP January 10th 1996
(301) 587 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 588 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 589 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 590 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 591 Gaithersburg Paetec Communications landline and VOIP August 14th 1998
(301) 592 Silver Spring Verizon Maryland landline and VOIP October 11th 1997
(301) 593 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 594 Bethesda Verizon Maryland Montgomery landline and VOIP February 4th 1994
(301) 595 Beltsville Verizon Maryland landline and VOIP February 4th 1994
(301) 596 Columbia Verizon Maryland Howard landline and VOIP February 4th 1994
(301) 597 Hancock New Frontiers Telecommunications landline and VOIP June 13th 2000
(301) 598 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 599 Clinton Verizon Maryland landline and VOIP February 4th 1994
(301) 600 Frederick Verizon Maryland Frederick landline and VOIP July 6th 2006
(301) 601 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 602 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number April 15th 1996
(301) 603 Rockville Verizon Maryland landline and VOIP July 1st 1996
(301) 604 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 605 Rockville Verizon Maryland landline and VOIP October 15th 1996
(301) 606 Frederick Cellco Partnership DBA Verizon Wireless Frederick Cell Number February 4th 1994
(301) 607 New Market Verizon Maryland landline and VOIP February 4th 1994
(301) 608 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 609 La Plata Verizon Maryland Charles landline and VOIP February 4th 1994
(301) 610 Rockville Verizon Maryland landline and VOIP October 15th 1996
(301) 612 Sandy Spring Teleport Communications America Cell Number October 11th 2012
(301) 613 Beltsville Sprint Spectrum L.p. Cell Number July 1st 1996
(301) 614 Greenbelt Verizon Maryland landline and VOIP January 10th 1996
(301) 615 Greenbelt Verizon Maryland Cell Number February 4th 1994
(301) 616 Oakland Uscoc Of Cumberland DBA United States Cel Md Garrett Cell Number February 4th 1994
(301) 617 Laurel Verizon Maryland landline and VOIP February 11th 1995
(301) 618 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 619 Frederick Verizon Maryland Frederick landline and VOIP February 4th 1994
(301) 620 Frederick Verizon Maryland Frederick landline and VOIP February 4th 1994
(301) 621 Glenn Dale Verizon Maryland landline and VOIP February 4th 1994
(301) 622 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 623 Mount Rainier Teleport Communications America - DC Prince Georges landline and VOIP October 11th 1997
(301) 624 Frederick Verizon Maryland Frederick landline and VOIP January 10th 1996
(301) 625 Silver Spring Verizon Maryland landline and VOIP January 10th 1996
(301) 626 Silver Spring Verizon Maryland Cell Number May 18th 1998
(301) 627 Upper Marlboro Verizon Maryland landline and VOIP February 4th 1994
(301) 628 Mount Rainier Teleport Communications America - DC Prince Georges landline and VOIP January 10th 1996
(301) 629 Glenn Dale Verizon Maryland Cell Number February 4th 1994
(301) 630 Temple Hills Verizon Maryland landline and VOIP February 4th 1994
(301) 631 Frederick Verizon Maryland Frederick landline and VOIP February 11th 1995
(301) 632 Waldorf Verizon Maryland landline and VOIP January 10th 1996
(301) 633 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number February 11th 1995
(301) 634 Mount Rainier Teleport Communications America - DC Prince Georges landline and VOIP October 11th 1997
(301) 635 Myersville New Frontiers Telecommunications landline and VOIP June 13th 2000
(301) 636 Hyattsville Verizon Maryland landline and VOIP June 13th 2000
(301) 637 Rockville Level 3 Communications landline and VOIP August 14th 1998
(301) 638 Waldorf Verizon Maryland landline and VOIP January 10th 1996
(301) 639 Frederick Cellco Partnership DBA Verizon Wireless Frederick Cell Number February 11th 1995
(301) 640 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 641 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number September 11th 1994
(301) 642 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number January 25th 1998
(301) 643 Waldorf Cellco Partnership DBA Verizon Wireless Cell Number September 11th 1994
(301) 644 Frederick Verizon Maryland Frederick landline and VOIP August 14th 1998
(301) 645 Waldorf Verizon Maryland landline and VOIP February 4th 1994
(301) 646 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number January 10th 1996
(301) 647 Laurel Verizon Maryland Cell Number January 10th 1996
(301) 648 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number February 4th 1994
(301) 649 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 650 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 651 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 11th 1995
(301) 652 Chevy Chase Verizon Maryland landline and VOIP February 4th 1994
(301) 653 Waldorf New Cingular Wireless PCS - DC Cell Number January 10th 1996
(301) 654 Chevy Chase Verizon Maryland landline and VOIP February 4th 1994
(301) 655 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number April 15th 1996
(301) 656 Chevy Chase Verizon Maryland landline and VOIP February 4th 1994
(301) 657 Chevy Chase Verizon Maryland landline and VOIP February 4th 1994
(301) 658 Sandy Spring Teleport Communications America - DC landline and VOIP October 11th 1997
(301) 659 Waldorf New Cingular Wireless PCS - DC Cell Number May 18th 1998
(301) 660 Keedysville New Cingular Wireless PCS - DC Cell Number March 19th 2004
(301) 661 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number September 11th 1994
(301) 662 Frederick Verizon Maryland Frederick landline and VOIP February 4th 1994
(301) 663 Frederick Verizon Maryland Frederick landline and VOIP February 4th 1994
(301) 664 Chevy Chase Verizon Maryland landline and VOIP January 10th 1996
(301) 665 Hagerstown Verizon Maryland Washington landline and VOIP January 10th 1996
(301) 666 Glenn Dale Teleport Communications America - DC landline and VOIP August 14th 1998
(301) 667 Myersville New Cingular Wireless PCS - DC Cell Number September 11th 1994
(301) 668 Frederick Verizon Maryland Frederick landline and VOIP August 14th 1998
(301) 669 Suitland Verizon Maryland landline and VOIP September 11th 1994
(301) 670 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 671 Hagerstown New Frontiers Telecommunications Washington landline and VOIP June 13th 2000
(301) 672 Tall Timbers Sprint Spectrum L.p. Cell Number November 20th 1998
(301) 673 Frederick New Frontiers Telecommunications Frederick landline and VOIP June 13th 2000
(301) 674 Bethesda Sprint Spectrum L.p. Montgomery Cell Number November 20th 1998
(301) 675 Silver Spring Omnipoint Communications Cap Operations Cell Number June 13th 2000
(301) 676 Frederick New Cingular Wireless PCS - DC Frederick Cell Number July 6th 1997
(301) 677 Glenn Dale Teleport Communications America - DC landline and VOIP February 4th 1994
(301) 678 Hancock Verizon Maryland landline and VOIP February 4th 1994
(301) 679 Mount Rainier Teleport Communications America - DC Prince Georges landline and VOIP August 14th 1998
(301) 680 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 681 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 682 Frederick Verizon Maryland Frederick landline and VOIP February 11th 1995
(301) 683 Mount Rainier Teleport Communications America - DC Prince Georges landline and VOIP August 14th 1998
(301) 684 Indian Head Teleport Communications America - DC landline and VOIP August 14th 1998
(301) 685 Damascus Teleport Communications America - DC landline and VOIP August 14th 1998
(301) 686 Oxon Hill Verizon Maryland landline and VOIP May 10th 1999
(301) 687 Frostburg Verizon Maryland Allegany landline and VOIP July 4th 1995
(301) 688 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 689 Frostburg Verizon Maryland Allegany landline and VOIP February 4th 1994
(301) 690 Leonardtown Idt America Corp landline and VOIP May 23rd 2007
(301) 691 Poolesville Teleport Communications America - DC landline and VOIP August 14th 1998
(301) 692 Mount Rainier Teleport Communications America - DC Prince Georges landline and VOIP August 14th 1998
(301) 693 Frederick Omnipoint Communications Cap Operations Frederick Cell Number June 13th 2000
(301) 694 Frederick Verizon Maryland Frederick landline and VOIP February 4th 1994
(301) 695 Frederick Verizon Maryland Frederick landline and VOIP February 4th 1994
(301) 696 Frederick Verizon Maryland Frederick landline and VOIP February 4th 1994
(301) 697 Cumberland New Cingular Wireless PCS - DC Cell Number February 4th 1994
(301) 698 Frederick Verizon Maryland Frederick landline and VOIP February 4th 1994
(301) 699 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 701 Hyattsville Verizon Maryland Cell Number February 4th 1994
(301) 702 Temple Hills Verizon Maryland landline and VOIP February 4th 1994
(301) 703 Mount Airy Level 3 Communications Carroll landline and VOIP August 29th 2002
(301) 704 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 705 Waldorf Verizon Maryland landline and VOIP February 4th 1994
(301) 706 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number April 15th 1996
(301) 707 Cumberland Uscoc Of Cumberland DBA United States Cel Md Cell Number February 4th 1994
(301) 708 Greenbelt Cavalier Telephone Mid-atlantic Cell Number September 20th 2011
(301) 709 Greenbelt Usa Mobility Wireless Cell Number February 4th 1994
(301) 710 Waldorf Level 3 Communications landline and VOIP December 30th 2005
(301) 712 Frederick Mci Worldcom Communications Frederick landline and VOIP March 27th 2005
(301) 713 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 714 Hagerstown Verizon Maryland Washington landline and VOIP February 4th 1994
(301) 715 Upper Marlboro Teleport Communications America - DC landline and VOIP August 14th 1998
(301) 716 Beltsville Verizon Maryland Cell Number July 1st 1996
(301) 717 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 718 Chevy Chase Verizon Maryland landline and VOIP February 4th 1994
(301) 719 Mount Rainier Teleport Communications America - DC Prince Georges landline and VOIP August 14th 1998
(301) 720 Brandywine Teleport Communications America - DC landline and VOIP August 14th 1998
(301) 721 Gaithersburg Verizon Maryland landline and VOIP October 15th 1996
(301) 722 Cumberland Verizon Maryland landline and VOIP February 4th 1994
(301) 723 Cumberland Verizon Maryland landline and VOIP May 18th 1998
(301) 724 Cumberland Verizon Maryland landline and VOIP February 4th 1994
(301) 725 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 727 Capitol Heights Baltimore-washington Telephone (bwt) landline and VOIP June 13th 2000
(301) 728 Silver Spring Omnipoint Communications Cap Operations Cell Number June 13th 2000
(301) 729 Cumberland Verizon Maryland landline and VOIP February 4th 1994
(301) 730 Myersville New Cingular Wireless PCS - DC Cell Number November 20th 1998
(301) 731 Lanham Verizon Maryland landline and VOIP February 4th 1994
(301) 732 Greenbelt Metro PCS Cell Number October 4th 2011
(301) 733 Hagerstown Verizon Maryland Washington landline and VOIP February 4th 1994
(301) 734 Silver Spring Verizon Maryland landline and VOIP February 11th 1995
(301) 735 Suitland Verizon Maryland landline and VOIP February 4th 1994
(301) 736 Suitland Verizon Maryland landline and VOIP February 4th 1994
(301) 737 Lexington Park Verizon Maryland landline and VOIP February 4th 1994
(301) 738 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 739 Hagerstown Verizon Maryland Washington landline and VOIP February 4th 1994
(301) 740 Gaithersburg Verizon Maryland landline and VOIP April 22nd 2004
(301) 741 Laurel Level 3 Communications landline and VOIP August 14th 1998
(301) 742 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number February 4th 1994
(301) 743 Indian Head Verizon Maryland landline and VOIP February 4th 1994
(301) 744 Indian Head Verizon Maryland landline and VOIP October 11th 1997
(301) 745 Hagerstown Verizon Maryland Washington landline and VOIP February 4th 1994
(301) 746 Accident Verizon Maryland landline and VOIP February 4th 1994
(301) 747 Mount Rainier Teleport Communications America - DC Prince Georges landline and VOIP November 20th 1998
(301) 748 Frederick Sprint Spectrum L.p. Frederick Cell Number April 1st 1997
(301) 749 Oxon Hill Verizon Maryland landline and VOIP September 11th 1994
(301) 750 Friendsville Core Communications landline and VOIP March 18th 2004
(301) 751 Waldorf Cellco Partnership DBA Verizon Wireless Cell Number January 10th 1996
(301) 752 Waldorf Cellco Partnership DBA Verizon Wireless Cell Number August 14th 1998
(301) 753 Oxon Hill Verizon Maryland landline and VOIP February 4th 1994
(301) 754 Silver Spring Verizon Maryland landline and VOIP September 11th 1994
(301) 755 Silver Spring Mci Worldcom Communications landline and VOIP July 4th 1995
(301) 756 Laurel Tw Telecom Of Maryland LLC landline and VOIP January 25th 1998
(301) 757 Patuxent River Verizon Maryland landline and VOIP January 11th 1997
(301) 758 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number September 11th 1994
(301) 759 Cumberland Verizon Maryland landline and VOIP February 4th 1994
(301) 760 Bethesda Level 3 Communications Montgomery landline and VOIP February 27th 2002
(301) 761 Kensington Level 3 Communications landline and VOIP February 27th 2002
(301) 762 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 763 Suitland Verizon Maryland landline and VOIP February 4th 1994
(301) 764 Waldorf Verizon Maryland landline and VOIP January 10th 1996
(301) 765 Bethesda Verizon Maryland Montgomery landline and VOIP October 15th 1996
(301) 766 Hagerstown Verizon Maryland Washington landline and VOIP April 15th 1996
(301) 767 Bethesda Verizon Maryland Montgomery landline and VOIP October 15th 1996
(301) 768 Cabin John Level 3 Communications landline and VOIP February 27th 2002
(301) 769 Avenue Verizon Maryland landline and VOIP February 4th 1994
(301) 770 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 771 Chevy Chase Verizon Maryland Cell Number April 1st 1997
(301) 772 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 773 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 774 Ashton Verizon Maryland landline and VOIP February 4th 1994
(301) 775 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number January 10th 1996
(301) 776 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 777 Cumberland Verizon Maryland landline and VOIP February 4th 1994
(301) 778 Capitol Heights Mci Worldcom Communications landline and VOIP July 4th 1995
(301) 779 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 780 Upper Marlboro Verizon Maryland landline and VOIP January 25th 1998
(301) 781 Frostburg New Frontiers Telecommunications Allegany landline and VOIP June 13th 2000
(301) 782 Brandywine Verizon Maryland landline and VOIP February 4th 1994
(301) 783 Cumberland New Frontiers Telecommunications landline and VOIP June 13th 2000
(301) 784 Cumberland Verizon Maryland landline and VOIP September 11th 1994
(301) 785 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number August 14th 1998
(301) 786 Mccoole Verizon Maryland landline and VOIP January 10th 1996
(301) 787 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number August 14th 1998
(301) 788 Frederick Cellco Partnership DBA Verizon Wireless Frederick Cell Number August 14th 1998
(301) 789 Hyattsville Core Communications - PA landline and VOIP August 13th 2002
(301) 790 Hagerstown Verizon Maryland Washington landline and VOIP February 4th 1994
(301) 791 Hagerstown Verizon Maryland Washington landline and VOIP February 4th 1994
(301) 792 Silver Spring Omnipoint Communications Cap Operations Cell Number June 13th 2000
(301) 793 Silver Spring Omnipoint Communications Cap Operations Cell Number June 13th 2000
(301) 794 Lanham Verizon Maryland landline and VOIP February 4th 1994
(301) 795 Hyattsville Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 796 College Park Verizon Maryland landline and VOIP June 30th 2003
(301) 797 Hagerstown Verizon Maryland Washington landline and VOIP February 4th 1994
(301) 798 New Market Verizon Maryland landline and VOIP July 1st 1996
(301) 799 Keedysville Core Communications landline and VOIP March 18th 2004
(301) 800 Hagerstown Virginia PCS Alliance, L.c. Washington Cell Number April 29th 2010
(301) 801 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number April 15th 1996
(301) 802 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number October 15th 1996
(301) 803 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 804 Sandy Spring Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 805 Bowie Verizon Maryland landline and VOIP February 4th 1994
(301) 806 Beltsville Sprint Spectrum L.p. Cell Number July 1st 1996
(301) 807 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 808 Capitol Heights Verizon Maryland landline and VOIP February 4th 1994
(301) 809 Bowie Verizon Maryland landline and VOIP February 4th 1994
(301) 810 Monrovia AT&T; Local landline and VOIP August 14th 1998
(301) 812 North Beach Verizon Maryland Calvert landline and VOIP July 1st 1996
(301) 813 Bethesda Baltimore-washington Telephone (bwt) Montgomery landline and VOIP June 30th 2001
(301) 814 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number February 4th 1994
(301) 815 Frederick Verizon Maryland Frederick landline and VOIP February 4th 1994
(301) 816 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 817 Suitland Verizon Maryland landline and VOIP February 4th 1994
(301) 818 Waldorf Verizon Maryland landline and VOIP February 4th 1994
(301) 819 Silver Spring Verizon Maryland Cell Number July 1st 1996
(301) 820 Gaithersburg AT&T; Local landline and VOIP November 20th 1998
(301) 821 Laurel AT&T; Local landline and VOIP August 14th 1998
(301) 822 Mount Rainier AT&T; Local Prince Georges landline and VOIP August 14th 1998
(301) 823 Mount Rainier AT&T; Local Prince Georges landline and VOIP August 14th 1998
(301) 824 Smithsburg Verizon Maryland landline and VOIP February 4th 1994
(301) 825 Rockville AT&T; Local landline and VOIP August 14th 1998
(301) 826 Lexington Park Verizon Maryland landline and VOIP February 4th 1994
(301) 827 Bethesda Verizon Maryland Montgomery landline and VOIP February 4th 1994
(301) 828 Bethesda AT&T; Local Montgomery landline and VOIP August 14th 1998
(301) 829 Mount Airy Verizon Maryland Carroll landline and VOIP February 4th 1994
(301) 830 Silver Spring AT&T; Local landline and VOIP August 14th 1998
(301) 831 Adamstown Verizon Maryland landline and VOIP February 4th 1994
(301) 832 Mount Rainier AT&T; Local Prince Georges landline and VOIP August 14th 1998
(301) 833 Glenn Dale Teleport Communications America - DC landline and VOIP November 11th 2003
(301) 834 Brunswick Verizon Maryland landline and VOIP February 4th 1994
(301) 836 Temple Hills Verizon Maryland landline and VOIP July 4th 1995
(301) 837 Hyattsville Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 838 Rockville Verizon Maryland landline and VOIP July 4th 1995
(301) 839 Oxon Hill Verizon Maryland landline and VOIP February 4th 1994
(301) 840 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 841 Hyattsville Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 842 Clear Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 843 Waldorf Verizon Maryland landline and VOIP February 4th 1994
(301) 844 Mount Rainier Sprint Spectrum L.p. Prince Georges Cell Number October 4th 2011
(301) 845 Walkersville Verizon Maryland landline and VOIP February 4th 1994
(301) 846 Frederick Verizon Maryland Frederick landline and VOIP February 4th 1994
(301) 847 Beltsville Verizon Maryland landline and VOIP February 4th 1994
(301) 848 Waldorf Cellco Partnership DBA Verizon Wireless Cell Number August 14th 1998
(301) 849 Oakland New Frontiers Telecommunications Garrett landline and VOIP June 13th 2000
(301) 850 Glenn Dale Level 3 Communications landline and VOIP August 4th 2002
(301) 851 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 852 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 853 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 854 Columbia Verizon Maryland Howard landline and VOIP February 4th 1994
(301) 855 Upper Marlboro Verizon Maryland landline and VOIP February 4th 1994
(301) 856 Clinton Verizon Maryland landline and VOIP February 4th 1994
(301) 857 Clear Spring Core Communications landline and VOIP July 12th 2002
(301) 858 Glenn Dale Verizon Maryland landline and VOIP February 4th 1994
(301) 859 Oxon Hill Level 3 Communications landline and VOIP January 9th 2002
(301) 860 Bowie Verizon Maryland landline and VOIP August 20th 2000
(301) 861 Waldorf Level 3 Communications landline and VOIP August 14th 1998
(301) 862 Lexington Park Verizon Maryland landline and VOIP February 4th 1994
(301) 863 Lexington Park Verizon Maryland landline and VOIP February 4th 1994
(301) 864 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 865 New Market Verizon Maryland landline and VOIP February 4th 1994
(301) 866 Lexington Park Verizon Maryland landline and VOIP October 15th 1996
(301) 867 Hyattsville Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 868 Clinton Verizon Maryland landline and VOIP February 4th 1994
(301) 869 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 870 Waldorf Verizon Maryland landline and VOIP February 4th 1994
(301) 871 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 872 Ridge Verizon Maryland Saint Marys landline and VOIP February 4th 1994
(301) 873 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 874 Adamstown Verizon Maryland landline and VOIP February 4th 1994
(301) 875 Laurel Cellco Partnership DBA Verizon Wireless landline and VOIP March 27th 2005
(301) 876 Cumberland Level 3 Communications landline and VOIP May 2nd 2002
(301) 877 Clinton Verizon Maryland landline and VOIP January 11th 1997
(301) 878 Baltimore Verizon Maryland Baltimore City landline and VOIP January 10th 1996
(301) 879 Silver Spring Verizon Maryland landline and VOIP February 11th 1995
(301) 880 Tall Timbers Level 3 Communications landline and VOIP August 14th 1998
(301) 881 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 882 New Market Core Communications landline and VOIP March 18th 2004
(301) 883 Hyattsville Verizon Maryland landline and VOIP September 11th 1994
(301) 884 Mechanicsville Verizon Maryland landline and VOIP February 4th 1994
(301) 885 Waldorf Verizon Maryland landline and VOIP February 11th 1995
(301) 886 Laurel Verizon Maryland landline and VOIP July 4th 1995
(301) 887 Hyattsville Verizon Maryland landline and VOIP February 11th 1995
(301) 888 Brandywine Verizon Maryland landline and VOIP February 4th 1994
(301) 889 Glenn Dale Verizon Maryland landline and VOIP January 10th 1996
(301) 890 Beltsville Verizon Maryland landline and VOIP February 4th 1994
(301) 891 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 892 Hyattsville Verizon Maryland landline and VOIP March 11th 2005
(301) 893 Waldorf Verizon Maryland landline and VOIP January 10th 1996
(301) 894 Temple Hills Verizon Maryland landline and VOIP February 4th 1994
(301) 895 Grantsville Verizon Maryland landline and VOIP February 4th 1994
(301) 896 Rockville Verizon Maryland landline and VOIP January 10th 1996
(301) 897 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 898 Walkersville Verizon Maryland landline and VOIP February 4th 1994
(301) 899 Temple Hills Verizon Maryland landline and VOIP February 4th 1994
(301) 900 Frederick Verizon Maryland Frederick landline and VOIP October 22nd 2013
(301) 901 Greenbelt Verizon Maryland landline and VOIP February 4th 1994
(301) 902 Beltsville Verizon Maryland landline and VOIP February 4th 1994
(301) 903 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 904 Leonardtown Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 905 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 906 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number October 15th 1996
(301) 907 Chevy Chase Verizon Maryland landline and VOIP May 18th 1998
(301) 908 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 909 Hyattsville Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 910 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number February 4th 1994
(301) 912 Odenton Verizon Maryland Anne Arundel landline and VOIP February 4th 1994
(301) 913 Chevy Chase Verizon Maryland landline and VOIP February 4th 1994
(301) 914 Mc Henry Mountain Communications DBA Procom landline and VOIP December 27th 2012
(301) 915 Bethesda Starpower Communications Montgomery landline and VOIP November 20th 1998
(301) 916 Poolesville Verizon Maryland landline and VOIP February 4th 1994
(301) 917 Rockville Starpower Communications landline and VOIP August 14th 1998
(301) 918 Lanham Verizon Maryland landline and VOIP February 4th 1994
(301) 919 Bethesda New Cingular Wireless PCS - DC Montgomery Cell Number February 4th 1994
(301) 920 Silver Spring Starpower Communications landline and VOIP August 14th 1998
(301) 921 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 922 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number April 15th 1996
(301) 923 Hyattsville Verizon Maryland Cell Number September 11th 1994
(301) 924 Ashton Verizon Maryland landline and VOIP February 4th 1994
(301) 925 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 926 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 927 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 928 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 11th 1995
(301) 929 Kensington Verizon Maryland landline and VOIP February 4th 1994
(301) 930 Silver Spring Verizon Maryland Cell Number February 4th 1994
(301) 931 Beltsville Verizon Maryland landline and VOIP July 4th 1995
(301) 932 La Plata Verizon Maryland Charles landline and VOIP February 4th 1994
(301) 933 Kensington Verizon Maryland landline and VOIP February 4th 1994
(301) 934 La Plata Verizon Maryland Charles landline and VOIP February 4th 1994
(301) 935 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 937 Beltsville Verizon Maryland landline and VOIP February 4th 1994
(301) 938 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number April 15th 1996
(301) 939 Laurel Verizon Maryland landline and VOIP April 15th 1996
(301) 940 Silver Spring Verizon Maryland Cell Number February 4th 1994
(301) 941 Chevy Chase Verizon Maryland landline and VOIP February 11th 1995
(301) 942 Kensington Verizon Maryland landline and VOIP February 4th 1994
(301) 943 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number April 15th 1996
(301) 944 Gaithersburg Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 945 Hyattsville Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 946 Kensington Verizon Maryland landline and VOIP February 4th 1994
(301) 947 Gaithersburg Verizon Maryland landline and VOIP April 15th 1996
(301) 948 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 949 Kensington Verizon Maryland landline and VOIP February 4th 1994
(301) 951 Chevy Chase Verizon Maryland landline and VOIP February 4th 1994
(301) 952 Upper Marlboro Verizon Maryland landline and VOIP February 4th 1994
(301) 953 Laurel Verizon Maryland landline and VOIP February 4th 1994
(301) 955 Hyattsville Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 956 Rockville Verizon Maryland landline and VOIP May 22nd 2002
(301) 957 Laurel Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 960 Silver Spring Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 961 Chevy Chase Verizon Maryland landline and VOIP February 4th 1994
(301) 962 Kensington Verizon Maryland landline and VOIP January 11th 1997
(301) 963 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 964 Myersville New Cingular Wireless PCS - DC Cell Number April 15th 1996
(301) 965 Hyattsville Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 966 Hyattsville Mcimetro Access Transmission Services LLC landline and VOIP November 20th 1998
(301) 967 Suitland Verizon Maryland landline and VOIP February 4th 1994
(301) 968 Bethesda Mci Worldcom Communications Montgomery landline and VOIP July 4th 1995
(301) 969 Brunswick Comcast Phone Of Northern Maryland landline and VOIP March 6th 2007
(301) 970 Annapolis Verizon Maryland landline and VOIP February 4th 1994
(301) 971 Oxon Hill Starpower Communications landline and VOIP November 20th 1998
(301) 972 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 973 Glenn Dale Verizon Maryland landline and VOIP February 4th 1994
(301) 974 Laurel Starpower Communications landline and VOIP November 20th 1998
(301) 975 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 977 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 978 Gaithersburg Verizon Maryland landline and VOIP October 11th 1997
(301) 979 Gaithersburg Verizon Maryland landline and VOIP April 15th 1996
(301) 980 Silver Spring Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(301) 981 Mount Rainier Tw Telecom Of Maryland LLC Prince Georges landline and VOIP February 4th 1994
(301) 982 Greenbelt Verizon Maryland landline and VOIP February 4th 1994
(301) 983 Bethesda Verizon Maryland Montgomery landline and VOIP February 4th 1994
(301) 984 Rockville Verizon Maryland landline and VOIP February 4th 1994
(301) 985 Hyattsville Verizon Maryland landline and VOIP February 4th 1994
(301) 986 Chevy Chase Verizon Maryland landline and VOIP February 4th 1994
(301) 987 Gaithersburg Verizon Maryland landline and VOIP October 11th 1997
(301) 988 Hagerstown Uscoc Of Cumberland DBA United States Cel Md Washington Cell Number July 6th 1997
(301) 989 Silver Spring Verizon Maryland landline and VOIP February 4th 1994
(301) 990 Gaithersburg Verizon Maryland landline and VOIP February 4th 1994
(301) 991 Hagerstown Sprint Spectrum L.p. Washington Cell Number April 15th 1996
(301) 992 Hagerstown Sprint Spectrum L.p. Washington Cell Number October 11th 1997
(301) 993 Greenbelt Verizon Maryland Cell Number November 20th 1998
(301) 994 Valley Lee Verizon Maryland landline and VOIP February 4th 1994
(301) 995 Patuxent River Verizon Maryland landline and VOIP August 14th 1998
(301) 996 Beltsville Sprint Spectrum L.p. Cell Number January 10th 1996
(301) 997 Leonardtown Verizon Maryland landline and VOIP January 25th 1998
(301) 998 Rockville Verizon Maryland landline and VOIP January 10th 1996

Cities that have coverage in 301 area code

Accident
Adamstown
Annapolis
Ashton
Avenue
Baltimore
Beltsville
Bethesda
Bittinger
Bowie
Brandywine
Brunswick
Bryans Road
Cabin John
Capitol Heights
Chevy Chase
Clear Spring
Clinton
College Park
Columbia
Cumberland
Damascus
Edgewater
Emmitsburg
Fort Washington
Frederick
Friendsville
Frostburg
Gaithersburg
Glen Echo
Glenn Dale
Grantsville
Greenbelt
Hagerstown
Hancock
Highfield
Hollywood
Hughesville
Hyattsville
Indian Head
Issue
Keedysville
Kensington
Kitzmiller
La Plata
Landover
Lanham
Laurel
Leonardtown
Lexington Park
Lonaconing
Mc Henry
Mccoole
Mechanicsville
Middletown
Monrovia
Mount Airy
Mount Rainier
Mount Savage
Myersville
Nanjemoy
New Market
North Beach
Oakland
Odenton
Oldtown
Oxon Hill
Patuxent River
Poolesville
Ridge
Rockville
Sandy Spring
Silver Spring
Smithsburg
Suitland
Swanton
Tall Timbers
Temple Hills
Thurmont
Upper Marlboro
Valley Lee
Waldorf
Walkersville
Westernport
Williamsport

Recently Unidentified 301 area code numbers

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

Most searched 301 area code numbers

Cell Landline
All Time This Month All Time This Month
301-202-1948 301-202-1948 301-200-1306 301-200-1306
301-202-2755 301-202-2755 301-200-2295 301-200-2295
301-202-2884 301-202-2884 301-200-2680 301-200-2680
301-202-3737 301-202-3737 301-200-3668 301-200-3668
301-202-5034 301-202-5034 301-200-3694 301-200-3694
301-202-5466 301-202-5466 301-200-4793 301-200-4793
301-202-6680 301-202-6680 301-200-5231 301-200-5231
301-202-7125 301-202-7125 301-200-7586 301-200-7586
301-202-7534 301-202-7534 301-200-8980 301-200-8980
301-202-7621 301-202-7621 301-200-9304 301-200-9304
301-202-8238 301-202-8238 301-200-9306 301-200-9306
301-202-8730 301-202-8730 301-200-9308 301-200-9308
301-202-8731 301-202-8731 301-200-9401 301-200-9401
301-202-8764 301-202-8764 301-200-9628 301-200-9628
301-202-8856 301-202-8856 301-200-9638 301-200-9638
301-202-9977 301-202-9977 301-200-9785 301-200-9785
301-204-0055 301-204-0055 301-200-9831 301-200-9831
301-204-0058 301-204-0058 301-200-9835 301-200-9835
301-204-0090 301-204-0090 301-200-9866 301-200-9866
301-204-0164 301-204-0164 301-200-9880 301-200-9880

What People are saying about us

Patricia Wolgat

Thank you so much for giving me this information. I have sent this info on to other site’s with her email address so this person can’t do this to anyone else. I would highly recommend SocialCatfish.com for anyone who questions any relationship that they are in.

Patricia Wolgat, Riverside, CA

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