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Ad Unit
Place a vertical ad here.| Prefix | City | Company | Line type | Open |
|---|---|---|---|---|
| 409 | Denver | Mcleodusa Telecommunications Services Inc.- Co | Landline | View |
| 412 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 413 | Englewood | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 414 | Denver | Level 3 Communications Llc - Co | Landline | View |
| 415 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 420 | Denver | Level 3 Communications Llc - Co | Landline | View |
| 421 | Denver | T-mobile Usa Inc. | Wireless | View |
| 422 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 423 | Denver | Qwest Corporation | Landline | View |
| 424 | Denver | Qwest Corporation | Landline | View |
| 425 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 426 | Denver | Qwest Corporation | Landline | View |
| 427 | Denver | T-mobile Usa Inc. | Wireless | View |
| 428 | Englewood | Broadvox-clec Llc - Co | Landline | View |
| 429 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 430 | Denver | At&t Local | Landline | View |
| 431 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 432 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 433 | Denver | Mcleodusa Telecommunications Services Inc.- Co | Landline | View |
| 434 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 435 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 436 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 437 | Englewood | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 438 | Westminster | 360networks (usa) Inc. - Co | Landline | View |
| 439 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 440 | Englewood | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 441 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 442 | Westminster | Bandwidth.com Clec Llc - Co | Landline | View |
| 443 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 444 | Englewood | Qwest Corporation | Landline | View |
| 445 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 446 | Englewood | Xo Colorado Llc | Landline | View |
| 447 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 448 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 449 | Englewood | Xo Colorado Llc | Landline | View |
| 452 | Denver | Peerless Network Of Colorado Llc - Co | Landline | View |
| 454 | Westminster | Mcleodusa Telecommunications Services Inc.- Co | Landline | View |
| 455 | Castle Rock | Qwest Corporation | Landline | View |
| 457 | Denver | Level 3 Communications Llc - Co | Landline | View |
| 458 | Englewood | Tw Telecom Of Colorado Llc - Co | Landline | View |
| 459 | Denver | Onvoy Inc. - Co | Landline | View |
| 463 | Henderson | 360networks (usa) Inc. - Co | Landline | View |
| 464 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 465 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 466 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 468 | Denver | Level 3 Communications Llc - Co | Landline | View |
| 469 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 470 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 472 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 473 | Denver | Cbeyond Communications Llc - Co | Landline | View |
| 474 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 475 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 477 | Denver | 360networks (usa) Inc. - Co | Landline | View |
| 478 | Aurora | Tw Telecom Of Colorado Llc - Co | Landline | View |
| 479 | Denver | Teleport Communications America Llc - Co | Landline | View |
| 480 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 482 | Englewood | Qwest Corporation | Landline | View |
| 484 | Denver | Eschelon Telecom Of Colorado Inc. - Co | Landline | View |
| 488 | Englewood | Qwest Corporation | Landline | View |
| 489 | Englewood | Qwest Corporation | Landline | View |
| 490 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 491 | Westminster | New Cingular Wireless Pcs Llc | Wireless | View |
| 493 | Englewood | Qwest Corporation | Landline | View |
| 494 | Longmont | Qwest Corporation | Landline | View |
| 495 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 496 | Denver | Level 3 Communications Llc - Co | Landline | View |
| 497 | Golden | Qwest Corporation | Landline | View |
| 498 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 499 | Denver | T-mobile Usa Inc. | Wireless | View |
| 502 | Aurora | Comcast Phone Of Colorado Llc - Co | Landline | View |
| 504 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 505 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 506 | Denver | Level 3 Communications Llc - Co | Landline | View |
| 508 | Denver | Eschelon Telecom Of Colorado Inc. - Co | Landline | View |
| 509 | Englewood | Xo Colorado Llc | Landline | View |
| 514 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 515 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 519 | Denver | Teleport Communications America Llc - Co | Landline | View |
| 521 | Denver | American Messaging (am) Inc. | Landline | View |
| 522 | Englewood | Xo Colorado Llc | Landline | View |
| 523 | Brighton | Qwest Corporation | Landline | View |
| 524 | Denver | Qwest Corporation | Landline | View |
| 525 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 528 | Englewood | Qwest Corporation | Landline | View |
| 529 | Englewood | Qwest Corporation | Landline | View |
| 530 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 532 | Denver | Teleport Communications America Llc - Co | Landline | View |
| 533 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 535 | Denver | Teleport Communications America Llc - Co | Landline | View |
| 536 | Englewood | Qwest Corporation | Landline | View |
| 538 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 539 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 540 | Westminster | Qwest Corporation | Landline | View |
| 541 | Englewood | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 542 | Westminster | Qwest Corporation | Landline | View |
| 544 | Denver | Qwest Corporation | Landline | View |
| 545 | Westminster | Level 3 Communications Llc - Co | Landline | View |
| 548 | Denver | Global Crossing Local Services Inc.-co | Landline | View |
| 549 | Henderson | Level 3 Communications Llc - Co | Landline | View |
| 551 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | 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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