Area Codes > 720 > Central Office Codes
Exchange | Rate Center | State | Operating Company |
---|---|---|---|
720-313 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-314 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-317 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-318 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-319 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-320 | DENVER | CO | BLUE LICENSES HOLDING, LLC |
720-321 | DENVER | CO | QWEST CORPORATION |
720-322 | DENVER | CO | QWEST CORPORATION |
720-323 | DENVER | CO | T-MOBILE USA, INC. |
720-324 | AURORA | CO | SBC LONG DISTANCE, LLC DBA AT&T LONG DISTANCE - CO |
720-327 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-329 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-330 | DENVER | CO | ICG TELECOM GROUP - CO |
720-331 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-332 | DENVER | CO | QWEST CORPORATION |
720-333 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-334 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-335 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-336 | DENVER | CO | QWEST CORPORATION |
720-338 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-339 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-341 | DENVER | CO | T-MOBILE USA, INC. |
720-343 | AURORA | CO | ICG TELECOM GROUP - CO |
720-344 | DENVER | CO | QWEST CORPORATION |
720-345 | DENVER | CO | ZIPPYTECH INCORPORATED |
720-346 | DENVER | CO | WINSTAR COMMUNICATIONS, LLC - CO |
720-348 | DENVER | CO | QWEST CORPORATION |
720-350 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-351 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-352 | DENVER | CO | T-MOBILE USA, INC. |
720-353 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-356 | DENVER | CO | AT&T LOCAL |
720-359 | DENVER | CO | QWEST CORPORATION |
720-362 | DENVER | CO | QWEST CORPORATION |
720-363 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-364 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-365 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-366 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-367 | AURORA | CO | XO COLORADO, LLC |
720-368 | AURORA | CO | XO COLORADO, LLC |
720-371 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-373 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-374 | DENVER | CO | QWEST CORPORATION |
720-375 | DENVER | CO | COMMNET WIRELESS, INC. |
720-377 | DENVER | CO | ALLEGIANCE TELECOM OF COLORADO, INC. |
720-379 | DENVER | CO | ICG TELECOM GROUP - CO |
720-381 | DENVER | CO | COMCAST PHONE OF COLORADO, LLC - CO |
720-382 | DENVER | CO | ESCHELON TELECOM OF COLORADO, INC. - CO |
720-384 | DENVER | CO | XO COLORADO, LLC |
720-385 | DENVER | CO | XO COLORADO, LLC |
720-394 | DENVER | CO | T-MOBILE USA, INC. |
720-404 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-406 | DENVER | CO | QWEST CORPORATION |
720-407 | DENVER | CO | SBC LONG DISTANCE, LLC DBA AT&T LONG DISTANCE - CO |
720-411 | CO | ||
720-422 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-423 | DENVER | CO | QWEST CORPORATION |
720-424 | DENVER | CO | QWEST CORPORATION |
720-425 | DENVER | CO | QWEST COMMUNICATIONS CORPORATION |
720-427 | AURORA | CO | T-MOBILE USA, INC. |
720-434 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-435 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-436 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-438 | LONGMONT | CO | 360NETWORKS (USA) INC. - CO |
720-444 | DENVER | CO | QWEST CORPORATION |
720-447 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-448 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-449 | DENVERSLVN | CO | ALLEGIANCE TELECOM OF COLORADO, INC. |
720-457 | DENVER | CO | QWEST CORPORATION |
720-462 | DENVER | CO | QWEST CORPORATION |
720-468 | DENVER | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |
720-470 | DENVER | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
720-472 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-473 | DENVER | CO | AFFINITY TELECOM, INC. DBA C-COM - CO |
720-475 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-479 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-480 | DENVER | CO | BLUE LICENSES HOLDING, LLC |
720-482 | DENVER | CO | QWEST CORPORATION |
720-488 | DENVER | CO | QWEST CORPORATION |
720-489 | DENVER | CO | QWEST CORPORATION |
720-490 | DENVER | CO | NEXTEL COMMUNICATIONS, INC. |
720-493 | DENVER | CO | QWEST CORPORATION |
720-494 | LONGMONT | CO | QWEST CORPORATION |
720-495 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-496 | DENVER | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |
720-497 | DENVER | CO | QWEST CORPORATION |
720-506 | DENVERSLVN | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |
720-511 | CO | ||
720-514 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-519 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-521 | DENVERSLVN | CO | AMERICAN MESSAGING (AM), INC. |
720-524 | DENVER | CO | QWEST CORPORATION |
720-528 | DENVER | CO | QWEST CORPORATION |
720-529 | DENVER | CO | QWEST CORPORATION |
720-530 | DENVER | CO | BLUE LICENSES HOLDING, LLC |
720-532 | AURORA | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-533 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-535 | DENVERSLVN | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-536 | DENVER | CO | QWEST CORPORATION |
720-540 | DENVER | CO | QWEST CORPORATION |