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Area Code 303 Information and Location Details

Country United States of America
State Colorado
Largest City Denver
Timezone Mountain

The 303 area code is located in Denver, Colorado including Aurora, Golden, Brighton, Fort Lupton and was originally put into service on February 4th 1994. Since 303 was implemented, it has grown to 20 cities. The 303 area code currently has 781 phone number prefixes from carriers like Teleport Communications America, Usa Mobility Wireless, Qwest Corporation, American Messaging (am) and more.

Area Code Map

Area Code 303 Prefixes

Prefix # Primary City Phone Provider County Type First Added
(303) 200 Denver Teleport Communications America Denver landline and VOIP January 25th 1998
(303) 201 Denver Usa Mobility Wireless Denver Cell Number September 11th 1994
(303) 202 Denver Qwest Corporation Denver landline and VOIP September 11th 1994
(303) 203 Denver American Messaging (am) Denver Cell Number January 25th 1998
(303) 204 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number April 1st 1997
(303) 205 Denver Qwest Corporation Denver landline and VOIP January 10th 1996
(303) 206 Denver Usa Mobility Wireless Denver Cell Number April 15th 1996
(303) 207 Denver Usa Mobility Wireless Denver Cell Number January 10th 1996
(303) 208 Denver Usa Mobility Wireless Denver Cell Number February 11th 1995
(303) 209 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP October 31st 2001
(303) 210 Denver Sprint Spectrum L.p. Denver Cell Number April 1st 1997
(303) 212 Denver Contact Paging Of Colorado Denver Cell Number February 11th 1995
(303) 213 Denver Usa Mobility Wireless Denver Cell Number April 15th 1996
(303) 214 Aurora Mcimetro Access Transmission Services LLC landline and VOIP January 11th 1997
(303) 215 Golden Qwest Corporation landline and VOIP April 15th 1996
(303) 216 Golden Qwest Corporation landline and VOIP October 15th 1996
(303) 217 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP January 11th 1997
(303) 218 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP January 11th 1997
(303) 219 Brighton Mcimetro Access Transmission Services LLC Adams landline and VOIP April 1st 1997
(303) 220 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 221 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 222 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP January 11th 1997
(303) 223 Denver Global Crossing Local Services-co Denver landline and VOIP January 25th 1998
(303) 224 Denver Qwest Corporation Denver landline and VOIP January 25th 1998
(303) 225 Denver Global Crossing Local Services-co Denver landline and VOIP January 25th 1998
(303) 226 Denver Icg Telecom Group Denver landline and VOIP January 25th 1998
(303) 227 Denver Qwest Corporation Denver landline and VOIP October 15th 1996
(303) 228 Denver Icg Telecom Group Denver landline and VOIP January 25th 1998
(303) 229 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number January 11th 1997
(303) 230 Denver Usa Mobility Wireless Denver Cell Number February 4th 1994
(303) 231 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 232 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 233 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 234 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 235 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 236 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 237 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 238 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 239 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 240 Denver Usa Mobility Wireless Denver Cell Number April 1st 1997
(303) 241 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number January 11th 1997
(303) 242 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP April 1st 1997
(303) 243 Denver N.e. Colorado Cellular Denver Cell Number April 1st 1997
(303) 244 Denver Qwest Corporation Denver landline and VOIP January 25th 1998
(303) 245 Denver Qwest Corporation Denver landline and VOIP January 25th 1998
(303) 246 Denver Sprint Spectrum L.p. Denver Cell Number April 1st 1997
(303) 247 Denver Qwest Corporation Denver landline and VOIP January 25th 1998
(303) 248 Denver Teleport Communications America Denver landline and VOIP April 1st 1997
(303) 249 Denver New Cingular Wireless PCS Denver Cell Number April 1st 1997
(303) 250 Denver New Cingular Wireless PCS Denver Cell Number April 1st 1997
(303) 251 Denver Usa Mobility Wireless Denver Cell Number February 4th 1994
(303) 252 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 253 Denver Teleport Communications America Denver landline and VOIP April 1st 1997
(303) 254 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 255 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 256 Denver Teleport Communications America Denver landline and VOIP April 1st 1997
(303) 257 Denver Sprint Spectrum L.p. Denver Cell Number January 25th 1998
(303) 258 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 259 Denver American Messaging (am) Denver Cell Number October 11th 1997
(303) 260 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 261 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 262 Denver AT&T; Local Denver landline and VOIP February 27th 1999
(303) 263 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number September 11th 1994
(303) 264 Denver Teleport Communications America Denver landline and VOIP April 1st 1997
(303) 265 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 266 Denver Usa Mobility Wireless Denver Cell Number February 4th 1994
(303) 267 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 268 Denver Icg Telecom Group Denver landline and VOIP April 1st 1997
(303) 269 Denver Qwest Corporation Denver landline and VOIP June 30th 2001
(303) 270 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 271 Golden Qwest Corporation landline and VOIP February 4th 1994
(303) 272 Denver Qwest Corporation Denver landline and VOIP January 25th 1998
(303) 273 Golden Qwest Corporation landline and VOIP February 4th 1994
(303) 274 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 275 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 276 Denver Convergent Communications Denver landline and VOIP April 1st 1997
(303) 277 Golden Qwest Corporation landline and VOIP February 4th 1994
(303) 278 Golden Qwest Corporation landline and VOIP February 4th 1994
(303) 279 Golden Qwest Corporation landline and VOIP February 4th 1994
(303) 280 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 281 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 282 Denver Qwest Corporation Denver landline and VOIP January 25th 1998
(303) 283 Aurora Qwest Corporation landline and VOIP April 1st 1997
(303) 284 Denver Comcast Phone Of Colorado Denver landline and VOIP October 13th 1999
(303) 285 Denver Icg Telecom Group Denver landline and VOIP April 1st 1997
(303) 286 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 287 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 288 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 289 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 290 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 291 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 292 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 293 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 294 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 295 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 296 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 297 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 298 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 299 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 300 Denver Qwest Corporation Denver landline and VOIP November 20th 1998
(303) 301 Denver Icg Telecom Group Denver landline and VOIP April 1st 1997
(303) 302 Denver Xo Colorado Denver landline and VOIP November 20th 1998
(303) 304 Fort Lupton New Cingular Wireless PCS Weld Cell Number November 18th 2004
(303) 305 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP January 11th 1997
(303) 306 Aurora Qwest Corporation landline and VOIP April 15th 1996
(303) 307 Denver Qwest Corporation Denver landline and VOIP May 18th 1998
(303) 308 Denver Qwest Corporation Denver landline and VOIP August 14th 1998
(303) 309 Denver Global Crossing Local Services-co Denver landline and VOIP January 25th 1998
(303) 310 Denver Contact Paging Of Colorado Denver Cell Number September 11th 1994
(303) 312 Denver Qwest Corporation Denver landline and VOIP February 11th 1995
(303) 313 Denver Qwest Corporation Denver landline and VOIP April 15th 1996
(303) 314 Denver Qwest Corporation Denver landline and VOIP April 15th 1996
(303) 315 Denver Qwest Corporation Denver landline and VOIP January 10th 1996
(303) 316 Denver Qwest Corporation Denver landline and VOIP April 15th 1996
(303) 317 Aurora Qwest Corporation landline and VOIP September 11th 1994
(303) 318 Denver Qwest Corporation Denver landline and VOIP January 11th 1997
(303) 319 Denver Elbert County Wireless Denver Cell Number August 12th 2004
(303) 320 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 321 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 322 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 323 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP April 1st 1997
(303) 324 Denver New Cingular Wireless PCS Denver Cell Number February 4th 1994
(303) 325 Denver Icg Telecom Group Denver landline and VOIP April 1st 1997
(303) 326 Aurora Qwest Corporation landline and VOIP January 11th 1997
(303) 327 Denver Icg Telecom Group Denver landline and VOIP April 1st 1997
(303) 328 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP January 11th 1997
(303) 329 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 330 Denver 360networks (usa) Inc. Denver landline and VOIP March 9th 2006
(303) 331 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 332 Denver T-mobile Usa Denver Cell Number October 15th 1996
(303) 333 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 334 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP April 1st 1997
(303) 335 Denver Cellco Partnership DBA Verizon Wireless Denver landline and VOIP November 20th 1998
(303) 336 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 337 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 338 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 339 Denver Cbeyond Communications Denver landline and VOIP December 15th 2003
(303) 340 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 341 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 342 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 343 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 344 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 345 Denver Icg Telecom Group Denver landline and VOIP January 25th 1998
(303) 346 Littleton Qwest Corporation Douglas landline and VOIP January 25th 1998
(303) 347 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 348 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 349 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number October 15th 1996
(303) 350 Denver New Cingular Wireless PCS Denver landline and VOIP October 13th 1999
(303) 351 Keenesburg 360networks (usa) Inc. landline and VOIP November 8th 2006
(303) 352 Denver Qwest Corporation Denver landline and VOIP January 25th 1998
(303) 353 Denver Comcast Phone Of Colorado Denver landline and VOIP October 13th 1999
(303) 354 Denver Teleport Communications America Denver landline and VOIP January 25th 1998
(303) 355 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 356 Denver Sprint Spectrum L.p. Denver Cell Number January 25th 1998
(303) 357 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP January 25th 1998
(303) 358 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number April 1st 1997
(303) 359 Denver T-mobile Usa Denver Cell Number October 15th 1996
(303) 360 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 361 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 362 Denver Teleport Communications America Denver landline and VOIP October 15th 1996
(303) 363 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 364 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 365 Aurora Qwest Corporation landline and VOIP July 1st 1996
(303) 366 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 367 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 368 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 369 Aurora Qwest Corporation landline and VOIP February 4th 1994
(303) 370 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 371 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 372 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 373 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 374 Denver Teleport Communications America Denver landline and VOIP April 1st 1997
(303) 375 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 376 Denver Icg Telecom Group Denver landline and VOIP April 1st 1997
(303) 377 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 378 Denver New Cingular Wireless PCS Denver Cell Number February 4th 1994
(303) 379 Denver Teleport Communications America Denver landline and VOIP April 1st 1997
(303) 380 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 381 Denver Icg Telecom Group Denver landline and VOIP April 1st 1997
(303) 382 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 383 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 384 Golden Qwest Corporation landline and VOIP February 4th 1994
(303) 385 Denver Icg Telecom Group Denver landline and VOIP January 25th 1998
(303) 386 Denver Icg Telecom Group Denver landline and VOIP January 25th 1998
(303) 387 Denver Mcleodusa Telecommunications Services- Co Denver landline and VOIP April 1st 1997
(303) 388 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 389 Denver Qwest Corporation Denver landline and VOIP October 15th 1996
(303) 390 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP January 11th 1997
(303) 391 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 392 Denver Contact Paging Of Colorado Denver Cell Number February 4th 1994
(303) 393 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 394 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 395 Denver Global Crossing Local Services-co Denver landline and VOIP January 25th 1998
(303) 396 Denver Live Wire Networks Denver landline and VOIP June 1st 2005
(303) 397 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 398 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 399 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 400 Denver Qwest Corporation Denver landline and VOIP November 20th 1998
(303) 401 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 402 Denver Qwest Corporation Denver landline and VOIP April 15th 1996
(303) 403 Denver Qwest Corporation Denver landline and VOIP April 15th 1996
(303) 404 Denver Qwest Corporation Denver landline and VOIP April 15th 1996
(303) 405 Denver Qwest Corporation Denver landline and VOIP April 15th 1996
(303) 406 Denver Icg Telecom Group Denver landline and VOIP July 6th 1997
(303) 407 Denver Cbeyond Communications Denver landline and VOIP May 18th 1998
(303) 408 Denver New Cingular Wireless PCS Denver landline and VOIP April 1st 1997
(303) 409 Denver Icg Telecom Group Denver landline and VOIP April 1st 1997
(303) 410 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 412 Denver Qwest Corporation Denver landline and VOIP January 10th 1996
(303) 413 Denver Qwest Corporation Denver landline and VOIP July 4th 1995
(303) 414 Denver Icg Telecom Group Denver landline and VOIP February 11th 1995
(303) 415 Denver Qwest Corporation Denver landline and VOIP February 11th 1995
(303) 416 Denver Global Crossing Local Services-co Denver landline and VOIP January 25th 1998
(303) 417 Denver Qwest Corporation Denver landline and VOIP July 4th 1995
(303) 418 Aurora Icg Telecom Group landline and VOIP April 1st 1997
(303) 419 Denver Sprint Spectrum L.p. Denver Cell Number September 11th 1994
(303) 420 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 421 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 422 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 423 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 424 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 425 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 426 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 427 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 428 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 429 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 430 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 431 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 432 Denver Qwest Corporation Denver landline and VOIP October 15th 1996
(303) 433 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 434 Denver Sprint Spectrum L.p. Denver Cell Number January 25th 1998
(303) 435 Denver Sprint Spectrum L.p. Denver Cell Number April 1st 1997
(303) 436 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 437 Denver Sprint Spectrum L.p. Denver Cell Number October 15th 1996
(303) 438 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 439 Denver Qwest Corporation Denver landline and VOIP September 11th 1994
(303) 440 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 441 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 442 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 443 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 444 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 445 Denver Qwest Corporation Denver landline and VOIP July 1st 1996
(303) 446 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 447 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 448 Denver Qwest Corporation Denver landline and VOIP July 1st 1996
(303) 449 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 450 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 451 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 452 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 453 Denver Qwest Corporation Denver landline and VOIP January 25th 1998
(303) 454 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 455 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 456 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 457 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 458 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 459 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 460 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 461 Denver Usa Mobility Wireless Denver Cell Number February 4th 1994
(303) 462 Denver Qwest Corporation Denver landline and VOIP September 11th 1994
(303) 463 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 464 Denver Qwest Corporation Denver landline and VOIP October 15th 1996
(303) 465 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 466 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 467 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 468 Denver Cbeyond Communications Denver landline and VOIP May 24th 2001
(303) 469 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 470 Littleton Qwest Corporation Douglas landline and VOIP February 4th 1994
(303) 471 Littleton Qwest Corporation Douglas landline and VOIP January 11th 1997
(303) 472 Denver Sprint Spectrum L.p. Denver Cell Number September 11th 1994
(303) 473 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 474 Denver Teleport Communications America Denver landline and VOIP April 1st 1997
(303) 475 Denver New Cingular Wireless PCS Denver Cell Number February 4th 1994
(303) 476 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP January 25th 1998
(303) 477 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 478 Denver New Cingular Wireless PCS Denver Cell Number February 4th 1994
(303) 479 Brighton Teleport Communications America Adams landline and VOIP January 25th 1998
(303) 480 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 481 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP January 11th 1997
(303) 482 Denver Global Crossing Local Services-co Denver landline and VOIP January 25th 1998
(303) 483 Denver Icg Telecom Group Denver landline and VOIP January 25th 1998
(303) 484 Denver Teleport Communications America Denver landline and VOIP January 25th 1998
(303) 485 Longmont Qwest Corporation Boulder landline and VOIP January 25th 1998
(303) 486 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 487 Denver Qwest Corporation Denver landline and VOIP October 11th 1997
(303) 488 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 489 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number February 4th 1994
(303) 490 Denver Usa Mobility Wireless Denver Cell Number April 1st 1997
(303) 491 Denver Usa Mobility Wireless Denver Cell Number April 1st 1997
(303) 492 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 493 Denver Icg Telecom Group Denver landline and VOIP January 25th 1998
(303) 494 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 495 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP January 25th 1998
(303) 496 Denver Xo Colorado Denver landline and VOIP April 8th 2004
(303) 497 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 498 Brighton Comcast Phone Of Colorado Adams landline and VOIP April 22nd 2005
(303) 499 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 500 Hudson Level 3 Communications landline and VOIP January 4th 2005
(303) 501 Denver Cellco Partnership DBA Verizon Wireless Denver landline and VOIP January 26th 2006
(303) 502 Fort Lupton Cellco Partnership DBA Verizon Wireless Weld Cell Number December 13th 2005
(303) 503 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number April 15th 1996
(303) 504 Denver Qwest Corporation Denver landline and VOIP April 15th 1996
(303) 505 Denver Sprint Spectrum L.p. Denver Cell Number November 9th 2012
(303) 506 Fort Lupton New Cingular Wireless PCS Weld Cell Number September 13th 2001
(303) 507 Denver Sprint Spectrum L.p. Denver Cell Number April 15th 1996
(303) 508 Denver American Messaging (am) Denver Cell Number January 10th 1996
(303) 509 Denver American Messaging (am) Denver Cell Number January 10th 1996
(303) 510 Denver American Messaging (am) Denver Cell Number July 1st 1996
(303) 512 Denver Qwest Corporation Denver landline and VOIP January 10th 1996
(303) 513 Denver New Cingular Wireless PCS Denver Cell Number February 15th 2002
(303) 514 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number April 15th 1996
(303) 515 Denver 360networks (usa) Inc. Denver landline and VOIP November 14th 2011
(303) 516 Denver Qwest Corporation Denver landline and VOIP January 10th 1996
(303) 517 Denver New Cingular Wireless PCS Denver Cell Number July 4th 1995
(303) 518 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number September 11th 1994
(303) 519 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number September 11th 1994
(303) 520 Denver Sprint Spectrum L.p. Denver Cell Number October 15th 1996
(303) 521 Denver Sprint Spectrum L.p. Denver Cell Number October 15th 1996
(303) 522 Denver Sprint Spectrum L.p. Denver Cell Number April 1st 1997
(303) 523 Denver T-mobile Usa Denver Cell Number October 15th 1996
(303) 524 Denver Teleport Communications America Denver landline and VOIP April 1st 1997
(303) 525 Denver Sprint Spectrum L.p. Denver Cell Number November 20th 1998
(303) 526 Golden Qwest Corporation landline and VOIP February 4th 1994
(303) 527 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 528 Denver American Messaging (am) Denver Cell Number February 4th 1994
(303) 529 Denver Usa Mobility Wireless Denver Cell Number July 1st 1996
(303) 530 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 531 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP January 11th 1997
(303) 532 Longmont Mcleodusa Telecommunications Services- Co Boulder landline and VOIP October 13th 1999
(303) 533 Denver Qwest Corporation Denver landline and VOIP January 11th 1997
(303) 534 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 535 Fort Lupton Cbeyond Communications Weld landline and VOIP October 31st 2001
(303) 536 Hudson Qwest Corporation landline and VOIP February 4th 1994
(303) 537 Aurora Teleport Communications America landline and VOIP January 11th 1997
(303) 538 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 539 Denver Xo Colorado Denver landline and VOIP November 20th 1998
(303) 540 Denver Usa Mobility Wireless Denver Cell Number February 4th 1994
(303) 541 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 542 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP April 1st 1997
(303) 543 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 544 Denver Qwest Corporation Denver landline and VOIP April 1st 1997
(303) 545 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 546 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 547 Denver Global Crossing Local Services-co Denver landline and VOIP January 25th 1998
(303) 548 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number February 4th 1994
(303) 549 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number July 1st 1996
(303) 550 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number February 4th 1994
(303) 551 Louisville Mcimetro Access Transmission Services LLC landline and VOIP February 4th 1994
(303) 552 Denver Global Crossing Local Services-co Denver landline and VOIP August 14th 1998
(303) 553 Denver Usa Mobility Wireless Denver Cell Number February 4th 1994
(303) 554 Denver Qwest Corporation Denver landline and VOIP October 15th 1996
(303) 556 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 557 Aurora Global Crossing Local Services-co landline and VOIP August 14th 1998
(303) 558 Brighton Global Crossing Local Services-co Adams landline and VOIP August 14th 1998
(303) 559 Denver American Messaging (am) Denver Cell Number November 20th 1998
(303) 560 Denver Usa Mobility Wireless Denver Cell Number October 15th 1996
(303) 561 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 562 Denver Global Crossing Local Services-co Denver landline and VOIP January 25th 1998
(303) 563 Denver Icg Telecom Group Denver landline and VOIP April 1st 1997
(303) 564 Denver T-mobile Usa Denver Cell Number October 15th 1996
(303) 565 Denver Cbeyond Communications Denver landline and VOIP January 11th 1997
(303) 566 Denver Mcimetro Access Transmission Services LLC Denver landline and VOIP April 1st 1997
(303) 567 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 568 Denver Teleport Communications America Denver landline and VOIP April 1st 1997
(303) 569 Idaho Springs Qwest Corporation Clear Creek landline and VOIP February 4th 1994
(303) 570 Denver New Cingular Wireless PCS Denver Cell Number February 4th 1994
(303) 571 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 572 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 573 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 574 Denver Qwest Corporation Denver landline and VOIP October 15th 1996
(303) 575 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 576 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 577 Aurora Eschelon Telecom Of Colorado landline and VOIP June 13th 2000
(303) 578 Keenesburg Level 3 Communications landline and VOIP September 12th 2006
(303) 579 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number July 1st 1996
(303) 580 Denver American Messaging (am) Denver Cell Number January 11th 1997
(303) 581 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 582 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 583 Denver Teleport Communications America Denver landline and VOIP January 11th 1997
(303) 584 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 585 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 586 Denver 4dvision Denver landline and VOIP September 18th 2007
(303) 587 Denver Sprint Spectrum L.p. Denver Cell Number October 15th 1996
(303) 588 Denver New Cingular Wireless PCS Denver Cell Number January 25th 1998
(303) 589 Denver New Cingular Wireless PCS Denver Cell Number February 4th 1994
(303) 590 Denver Icg Telecom Group Denver landline and VOIP July 6th 1997
(303) 591 Denver Sprint Spectrum L.p. Denver Cell Number September 11th 1994
(303) 592 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 593 Denver Teleport Communications America Denver landline and VOIP January 25th 1998
(303) 594 Denver Cellco Partnership DBA Verizon Wireless Denver Cell Number September 11th 1994
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(303) 987 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 988 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 989 Denver Qwest Corporation Denver landline and VOIP February 4th 1994
(303) 990 Fort Lupton Sprint Spectrum L.p. Weld Cell Number May 16th 2006
(303) 991 Denver Xo Colorado Denver landline and VOIP August 14th 1998
(303) 992 Denver Qwest Corporation Denver landline and VOIP August 14th 1998
(303) 993 Denver Neutral Tandem-colorado Denver landline and VOIP March 27th 2007
(303) 994 Denver Sprint Spectrum L.p. Denver Cell Number August 14th 1998
(303) 995 Denver Sprint Spectrum L.p. Denver Cell Number November 20th 1998
(303) 996 Denver Eschelon Telecom Of Colorado Denver landline and VOIP August 20th 2000
(303) 997 Denver Pac - West Telecomm Denver landline and VOIP December 6th 2005
(303) 998 Denver Qwest Corporation Denver landline and VOIP November 20th 1998
(303) 999 Denver Comcast Phone Of Colorado Denver landline and VOIP August 24th 2007

Cities that have coverage in 303 area code

Allenspark
Aurora
Bennett
Brighton
Byers
Deer Trail
Denver
Englewood
Fort Lupton
Golden
Hudson
Idaho Springs
Keenesburg
Littleton
Longmont
Louisville
Lyons
Roggen
Sedalia
Strasburg

Recently Unidentified 303 area code numbers

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

Most searched 303 area code numbers

Cell Landline
All Time This Month All Time This Month
303-201-0841 303-201-0841 303-200-0000 303-200-0000
303-201-1539 303-201-1539 303-200-0001 303-200-0001
303-201-1748 303-201-1748 303-200-0002 303-200-0002
303-201-2758 303-201-2758 303-200-0004 303-200-0004
303-201-4545 303-201-4545 303-200-0011 303-200-0011
303-201-5456 303-201-5456 303-200-0016 303-200-0016
303-201-6350 303-201-6350 303-200-0021 303-200-0021
303-201-6982 303-201-6982 303-200-0024 303-200-0024
303-203-0238 303-203-0238 303-200-0026 303-200-0026
303-203-1361 303-203-1361 303-200-0035 303-200-0035
303-203-1732 303-203-1732 303-200-0045 303-200-0045
303-203-2025 303-203-2025 303-200-0055 303-200-0055
303-203-2727 303-203-2727 303-200-0068 303-200-0068
303-203-4106 303-203-4106 303-200-0072 303-200-0072
303-203-4885 303-203-4885 303-200-0116 303-200-0116
303-203-4900 303-203-4900 303-200-0128 303-200-0128
303-204-0163 303-204-0163 303-200-0131 303-200-0131
303-204-0166 303-204-0166 303-200-0133 303-200-0133
303-204-0184 303-204-0184 303-200-0136 303-200-0136
303-204-0482 303-204-0482 303-200-0145 303-200-0145

What People are saying about us

Gloria Rodgriguez

Thanks so much. I am fortunate that I found your company before I got too far in, but would never have sent him any money. I wonder how many others he has duped?

Gloria Rodgriguez, Boston, Mass

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