Area Codes > 303 > Central Office Codes
Exchange | Rate Center | State | Operating Company |
---|---|---|---|
303-701 | DENVER | CO | COMMUNICATIONS UNLIMITED |
303-702 | LONGMONT | CO | QWEST CORPORATION |
303-703 | DENVER | CO | QWEST CORPORATION |
303-704 | DENVER | CO | MCIMETRO, ATS, INC. |
303-705 | DENVER | CO | QWEST CORPORATION |
303-706 | DENVER | CO | QWEST CORPORATION |
303-707 | DENVER | CO | QWEST CORPORATION |
303-708 | DENVER | CO | QWEST CORPORATION |
303-709 | LONGMONT | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
303-710 | FORTLUPTON | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
303-711 | CO | ||
303-712 | DENVER | CO | QWEST CORPORATION |
303-713 | DENVER | CO | QWEST CORPORATION |
303-714 | DENVER | CO | QWEST CORPORATION |
303-715 | DENVER | CO | QWEST CORPORATION |
303-716 | DENVER | CO | QWEST CORPORATION |
303-717 | FORTLUPTON | CO | BLUE LICENSES HOLDING, LLC |
303-718 | FORTLUPTON | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
303-719 | DEER TRAIL | CO | YMAX COMMUNICATIONS CORP. - CO |
303-720 | FORTLUPTON | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
303-721 | DENVER | CO | QWEST CORPORATION |
303-722 | DENVER | CO | QWEST CORPORATION |
303-723 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
303-724 | AURORA | CO | QWEST CORPORATION |
303-725 | DENVER | CO | SPRINT SPECTRUM L.P. |
303-726 | DENVER | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
303-727 | DENVER | CO | QWEST CORPORATION |
303-728 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
303-729 | DENVER | CO | MCIMETRO, ATS, INC. |
303-730 | DENVER | CO | QWEST CORPORATION |
303-731 | AURORA | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |
303-732 | KEENESBURG | CO | QWEST CORPORATION |
303-733 | DENVER | CO | QWEST CORPORATION |
303-734 | DENVER | CO | QWEST CORPORATION |
303-735 | DENVER | CO | QWEST CORPORATION |
303-736 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
303-737 | DENVER | CO | QWEST CORPORATION |
303-738 | DENVER | CO | QWEST CORPORATION |
303-739 | AURORA | CO | QWEST CORPORATION |
303-740 | DENVER | CO | QWEST CORPORATION |
303-741 | DENVER | CO | QWEST CORPORATION |
303-742 | DENVER | CO | QWEST CORPORATION |
303-743 | DENVERSLVN | CO | QWEST CORPORATION |
303-744 | DENVER | CO | QWEST CORPORATION |
303-745 | DENVERSLVN | CO | QWEST CORPORATION |
303-746 | LONGMONT | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
303-747 | ALLNSPKLYN | CO | QWEST CORPORATION |
303-748 | DENVER | CO | BLUE LICENSES HOLDING, LLC |
303-749 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
303-750 | DENVERSLVN | CO | QWEST CORPORATION |
303-751 | DENVERSLVN | CO | QWEST CORPORATION |
303-752 | DENVERSLVN | CO | QWEST CORPORATION |
303-753 | DENVER | CO | QWEST CORPORATION |
303-754 | DENVER | CO | QWEST CORPORATION |
303-755 | DENVERSLVN | CO | QWEST CORPORATION |
303-756 | DENVER | CO | QWEST CORPORATION |
303-757 | DENVER | CO | QWEST CORPORATION |
303-758 | DENVER | CO | QWEST CORPORATION |
303-759 | DENVER | CO | QWEST CORPORATION |
303-760 | DENVER | CO | ARCH WIRELESS HOLDINGS, INC. |
303-761 | DENVER | CO | QWEST CORPORATION |
303-762 | DENVER | CO | QWEST CORPORATION |
303-763 | DENVER | CO | QWEST CORPORATION |
303-764 | DENVER | CO | QWEST CORPORATION |
303-765 | DENVER | CO | QWEST CORPORATION |
303-766 | DENVER | CO | QWEST CORPORATION |
303-767 | DENVER | CO | CONTACT PAGING OF COLORADO, INC. |
303-768 | DENVER | CO | QWEST CORPORATION |
303-769 | DEER TRAIL | CO | BIJOU TELEPHONE COOPERATIVE ASSOCIATION, INC. |
303-770 | DENVER | CO | QWEST CORPORATION |
303-771 | DENVER | CO | QWEST CORPORATION |
303-772 | LONGMONT | CO | QWEST CORPORATION |
303-773 | DENVER | CO | QWEST CORPORATION |
303-774 | LONGMONT | CO | QWEST CORPORATION |
303-775 | LONGMONT | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
303-776 | LONGMONT | CO | QWEST CORPORATION |
303-777 | DENVER | CO | QWEST CORPORATION |
303-778 | DENVER | CO | QWEST CORPORATION |
303-779 | DENVER | CO | QWEST CORPORATION |
303-780 | DENVER | CO | QWEST CORPORATION |
303-781 | DENVER | CO | QWEST CORPORATION |
303-782 | DENVER | CO | QWEST CORPORATION |
303-783 | DENVER | CO | QWEST CORPORATION |
303-784 | DENVER | CO | QWEST CORPORATION |
303-785 | DENVERSLVN | CO | XO COLORADO, LLC |
303-786 | DENVER | CO | QWEST CORPORATION |
303-787 | DENVER | CO | QWEST CORPORATION |
303-788 | DENVER | CO | QWEST CORPORATION |
303-789 | DENVER | CO | QWEST CORPORATION |
303-790 | DENVER | CO | QWEST CORPORATION |
303-791 | DENVER | CO | QWEST CORPORATION |
303-792 | DENVER | CO | QWEST CORPORATION |
303-793 | DENVER | CO | QWEST CORPORATION |
303-794 | DENVER | CO | QWEST CORPORATION |
303-795 | DENVER | CO | QWEST CORPORATION |
303-796 | DENVER | CO | QWEST CORPORATION |
303-797 | DENVER | CO | QWEST CORPORATION |
303-798 | DENVER | CO | QWEST CORPORATION |
303-799 | DENVER | CO | QWEST CORPORATION |
303-800 | DENVER | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |