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Ad Unit
Place a vertical ad here.| Prefix | City | Company | Line type | Open |
|---|---|---|---|---|
| 552 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 553 | Aurora | Qwest Corporation | Landline | View |
| 554 | Englewood | Qwest Corporation | Landline | View |
| 556 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 557 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 558 | Broomfield | Qwest Corporation | Landline | View |
| 559 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 560 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 561 | Boulder | Qwest Corporation | Landline | View |
| 562 | Boulder | Qwest Corporation | Landline | View |
| 563 | Littleton | Qwest Corporation | Landline | View |
| 564 | Boulder | Qwest Corporation | Landline | View |
| 565 | Boulder | Qwest Corporation | Landline | View |
| 566 | Broomfield | Qwest Corporation | Landline | View |
| 567 | Denver | Level 3 Communications Llc - Co | Landline | View |
| 568 | Englewood | Qwest Corporation | Landline | View |
| 569 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 570 | Denver | Qwest Corporation | Landline | View |
| 578 | Denver | Qwest Corporation | Landline | View |
| 579 | Denver | Xo Colorado Llc | Landline | View |
| 580 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 581 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 583 | Aurora | 360networks (usa) Inc. - Co | Landline | View |
| 585 | Englewood | Commnet Wireless Llc | Wireless | View |
| 587 | Denver | At&t Local | Landline | View |
| 588 | Denver | 365 Wireless Llc | Landline | View |
| 589 | Denver | T-mobile Usa Inc. | Wireless | View |
| 590 | Englewood | 360networks (usa) Inc. - Co | Landline | View |
| 596 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 599 | Denver | Eschelon Telecom Of Colorado Inc. - Co | Landline | View |
| 600 | Henderson | 360networks (usa) Inc. - Co | Landline | View |
| 606 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 608 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 612 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 613 | Denver | Mcimetro Access Transmission Services Llc | Landline | View |
| 620 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 621 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 622 | Boulder | Qwest Corporation | Landline | View |
| 623 | Denver | Neutral Tandem-colorado Llc - Co | Landline | View |
| 624 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 625 | Denver | Mcleodusa Telecommunications Services Inc.- Co | Landline | View |
| 626 | Englewood | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 627 | Denver | Qwest Corporation | Landline | View |
| 628 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 629 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 633 | Englewood | New Cingular Wireless Pcs Llc | Wireless | View |
| 634 | Denver | Mcimetro Access Transmission Services Llc | Landline | View |
| 635 | Denver | New Cingular Wireless Pcs Llc | Wireless | View |
| 638 | Aurora | Comcast Phone Of Colorado Llc - Co | Landline | View |
| 641 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 644 | Denver | Mcleodusa Telecommunications Services Inc.- Co | Landline | View |
| 648 | Denver | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 652 | Longmont | Qwest Corporation | Landline | View |
| 658 | Windsor | Telstar Communications Inc | Landline | View |
| 663 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 666 | Westminster | Peerless Network Of Colorado Llc - Co | Landline | View |
| 670 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 675 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 683 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 684 | Denver | Icg Telecom Group - Co | Landline | View |
| 685 | Brighton | Qwest Corporation | Landline | View |
| 686 | Englewood | Xo Colorado Llc | Landline | View |
| 689 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 690 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 708 | Denver | Teliax Colorado - Co | Landline | View |
| 722 | Denver | Qwest Communications Company Llc | Landline | View |
| 723 | Denver | Eschelon Telecom Of Colorado Inc. - Co | Landline | View |
| 724 | Englewood | Eschelon Telecom Of Colorado Inc. - Co | Landline | View |
| 729 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 732 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 733 | Castle Rock | Qwest Corporation | Landline | View |
| 737 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 744 | Aurora | Qwest Corporation | Landline | View |
| 746 | Englewood | Qwest Corporation | Landline | View |
| 747 | Aurora | Qwest Corporation | Landline | View |
| 748 | Aurora | Qwest Corporation | Landline | View |
| 754 | Aurora | Tw Telecom Of Colorado Llc - Co | Landline | View |
| 763 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 771 | Denver | T-mobile Usa Inc. | Wireless | View |
| 775 | Denver | Leap Wireless Intl Inc. Dba Cricket Comm Inc. | Wireless | View |
| 777 | Aurora | Qwest Corporation | Landline | View |
| 785 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 789 | Denver | Level 3 Communications Llc - Co | Landline | View |
| 800 | Henderson | 360networks (usa) Inc. - Co | Landline | View |
| 808 | Denver | Bandwidth.com Clec Llc - Co | Landline | View |
| 810 | Westminster | Cellco Partnership Dba Verizon Wireless - Co | Wireless | View |
| 833 | Englewood | Qwest Corporation | Landline | View |
| 834 | Aurora | Teleport Communications America Llc - Co | Landline | View |
| 836 | Denver | Icg Telecom Group - Co | Landline | View |
| 837 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 838 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 839 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 840 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 841 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 842 | Parker | Qwest Corporation | Landline | View |
| 847 | Aurora | Qwest Corporation | Landline | View |
| 848 | Aurora | Qwest Corporation | Landline | View |
| 849 | Englewood | Sprint Spectrum L.p. | Wireless | View |
| 851 | Parker | Qwest Corporation | Landline | View |
| 852 | Englewood | Qwest Corporation | Landline | 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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