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Home / Area 303
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Ad Unit
Place a vertical ad here.| Prefix | City | Company | Line type | Open |
|---|---|---|---|---|
| 403 | Arvada | Qwest Corporation | Landline | View |
| 404 | Broomfield | Qwest Corporation | Landline | View |
| 405 | Denver | Qwest Corporation | Landline | View |
| 406 | Englewood | Icg Telecom Group - Co | Landline | View |
| 407 | Denver | Cbeyond Communications Llc - Co | Landline | View |
| 408 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 409 | Englewood | Icg Telecom Group - Co | Landline | View |
| 410 | Broomfield | Qwest Corporation | Landline | View |
| 412 | Westminster | Qwest Corporation | Landline | View |
| 413 | Boulder | Qwest Corporation | Landline | View |
| 414 | Englewood | Icg Telecom Group - Co | Landline | View |
| 415 | Boulder | Qwest Corporation | Landline | View |
| 416 | Denver | Global Crossing Local Services Inc.-co | Landline | View |
| 417 | Boulder | Qwest Corporation | Landline | View |
| 418 | Denver | Icg Telecom Group - Co | Landline | View |
| 419 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 420 | Arvada | Qwest Corporation | Landline | View |
| 421 | Arvada | Qwest Corporation | Landline | View |
| 422 | Arvada | Qwest Corporation | Landline | View |
| 423 | Arvada | Qwest Corporation | Landline | View |
| 424 | Arvada | Qwest Corporation | Landline | View |
| 425 | Arvada | Qwest Corporation | Landline | View |
| 426 | Westminster | Qwest Corporation | Landline | View |
| 427 | Westminster | Qwest Corporation | Landline | View |
| 428 | Westminster | Qwest Corporation | Landline | View |
| 429 | Westminster | Qwest Corporation | Landline | View |
| 430 | Westminster | Qwest Corporation | Landline | View |
| 431 | Arvada | Qwest Corporation | Landline | View |
| 432 | Arvada | Qwest Corporation | Landline | View |
| 433 | Denver | Qwest Corporation | Landline | View |
| 434 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 435 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 436 | Denver | Qwest Corporation | Landline | View |
| 437 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 438 | Broomfield | Qwest Corporation | Landline | View |
| 439 | Broomfield | Qwest Corporation | Landline | View |
| 440 | Boulder | Qwest Corporation | Landline | View |
| 441 | Boulder | Qwest Corporation | Landline | View |
| 442 | Boulder | Qwest Corporation | Landline | View |
| 443 | Boulder | Qwest Corporation | Landline | View |
| 444 | Boulder | Qwest Corporation | Landline | View |
| 445 | Denver | Qwest Corporation | Landline | View |
| 446 | Denver | Qwest Corporation | Landline | View |
| 447 | Boulder | Qwest Corporation | Landline | View |
| 448 | Boulder | Qwest Corporation | Landline | View |
| 449 | Boulder | Qwest Corporation | Landline | View |
| 450 | Denver | Qwest Corporation | Landline | View |
| 451 | Denver | Qwest Corporation | Landline | View |
| 452 | Denver | Qwest Corporation | Landline | View |
| 453 | Denver | Qwest Corporation | Landline | View |
| 454 | Denver | Qwest Corporation | Landline | View |
| 455 | Denver | Qwest Corporation | Landline | View |
| 456 | Arvada | Qwest Corporation | Landline | View |
| 457 | Denver | Qwest Corporation | Landline | View |
| 458 | Denver | Qwest Corporation | Landline | View |
| 459 | Ward | Qwest Corporation | Landline | View |
| 460 | Broomfield | Qwest Corporation | Landline | View |
| 461 | Denver | Usa Mobility Wireless Inc. | Wireless | View |
| 462 | Denver | Qwest Corporation | Landline | View |
| 463 | Arvada | Qwest Corporation | Landline | View |
| 464 | Broomfield | Qwest Corporation | Landline | View |
| 465 | Broomfield | Qwest Corporation | Landline | View |
| 466 | Broomfield | Qwest Corporation | Landline | View |
| 467 | Arvada | Qwest Corporation | Landline | View |
| 468 | Denver | Cbeyond Communications Llc - Co | Landline | View |
| 469 | Broomfield | Qwest Corporation | Landline | View |
| 470 | Littleton | Qwest Corporation | Landline | View |
| 471 | Littleton | Qwest Corporation | Landline | View |
| 472 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 473 | Boulder | Qwest Corporation | Landline | View |
| 474 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 475 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 476 | Denver | Mcimetro Access Transmission Services Llc | Landline | View |
| 477 | Denver | Qwest Corporation | Landline | View |
| 478 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 479 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 480 | Denver | Qwest Corporation | Landline | View |
| 481 | Denver | Mcimetro Access Transmission Services Llc | Landline | View |
| 482 | Denver | Global Crossing Local Services Inc.-co | Landline | View |
| 483 | Englewood | Icg Telecom Group - Co | Landline | View |
| 484 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 485 | Longmont | Qwest Corporation | Landline | View |
| 486 | Englewood | Qwest Corporation | Landline | View |
| 487 | Westminster | Qwest Corporation | Landline | View |
| 488 | Englewood | Qwest Corporation | Landline | View |
| 489 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 490 | Denver | Usa Mobility Wireless Inc. | Wireless | View |
| 491 | Denver | Usa Mobility Wireless Inc. | Wireless | View |
| 492 | Boulder | Qwest Corporation | Landline | View |
| 493 | Englewood | Icg Telecom Group - Co | Landline | View |
| 494 | Boulder | Qwest Corporation | Landline | View |
| 495 | Denver | Mcimetro Access Transmission Services Llc | Landline | View |
| 496 | Englewood | Xo Colorado Llc | Landline | View |
| 497 | Boulder | Qwest Corporation | Landline | View |
| 498 | Brighton | Comcast Phone Of Colorado Llc - Co | Landline | View |
| 499 | Boulder | Qwest Corporation | Landline | View |
| 500 | Denver | Level 3 Communications Llc - Co | Landline | View |
| 501 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 502 | Denver | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 503 | Englewood | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
Page Overview
This page provides detailed information and helpful insights related to your search. All data is based on telecom assignment records and community user reports. Use the navigation above to explore related area codes, prefixes, and reported numbers.
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