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Area Codes > 303 > Central Office Codes

Exchange Rate Center State Operating Company
303-501 DENVER CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
303-502 FORTLUPTON CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
303-503 DENVER CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
303-504 DENVER CO QWEST CORPORATION
303-505 DENVER CO ARCH WIRELESS HOLDINGS, INC.
303-506 FORTLUPTON CO BLUE LICENSES HOLDING, LLC
303-507 DENVER CO SPRINT SPECTRUM L.P.
303-508 DENVER CO AMERICAN MESSAGING (AM), INC.
303-509 DENVER CO AMERICAN MESSAGING (AM), INC.
303-510 DENVER CO AMERICAN MESSAGING (AM), INC.
303-511 CO
303-512 DENVER CO QWEST CORPORATION
303-513 DENVER CO BLUE LICENSES HOLDING, LLC
303-514 DENVER CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
303-515 DENVER CO ARCH WIRELESS HOLDINGS, INC.
303-516 DENVER CO QWEST CORPORATION
303-517 DENVER CO BLUE LICENSES HOLDING, LLC
303-518 DENVER CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
303-519 DENVER CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
303-520 DENVER CO SPRINT SPECTRUM L.P.
303-521 DENVER CO SPRINT SPECTRUM L.P.
303-522 DENVER CO SPRINT SPECTRUM L.P.
303-523 DENVER CO T-MOBILE USA, INC.
303-524 DENVER CO TELEPORT COMMUNICATIONS GROUP - CO
303-525 DENVER CO SPRINT SPECTRUM L.P.
303-526 DENVER CO QWEST CORPORATION
303-527 DENVER CO QWEST CORPORATION
303-528 DENVER CO AMERICAN MESSAGING (AM), INC.
303-529 DENVER CO ARCH WIRELESS HOLDINGS, INC.
303-530 DENVER CO QWEST CORPORATION
303-531 DENVER CO MCIMETRO, ATS, INC.
303-532 LONGMONT CO MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO
303-533 DENVER CO QWEST CORPORATION
303-534 DENVER CO QWEST CORPORATION
303-535 CO
303-536 HUDSON CO QWEST CORPORATION
303-537 AURORA CO TELEPORT COMMUNICATIONS GROUP - CO
303-538 DENVER CO QWEST CORPORATION
303-539 DENVER CO XO COLORADO, LLC
303-540 DENVER CO ARCH WIRELESS HOLDINGS, INC.
303-541 DENVER CO QWEST CORPORATION
303-542 DENVER CO MCIMETRO, ATS, INC.
303-543 DENVER CO QWEST CORPORATION
303-544 DENVER CO QWEST CORPORATION
303-545 DENVER CO QWEST CORPORATION
303-546 DENVER CO QWEST CORPORATION
303-547 DENVER CO GLOBAL CROSSING LOCAL SERVICES, INC.-CO
303-548 DENVER CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
303-549 DENVER CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
303-550 DENVER CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
303-551 DENVER CO MCIMETRO, ATS, INC.
303-552 DENVER CO GLOBAL CROSSING LOCAL SERVICES, INC.-CO
303-553 DENVER CO ARCH WIRELESS HOLDINGS, INC.
303-554 DENVER CO QWEST CORPORATION
303-555 DENVER CO QWEST CORPORATION
303-556 DENVER CO QWEST CORPORATION
303-557 AURORA CO GLOBAL CROSSING LOCAL SERVICES, INC.-CO
303-558 BRIGHTON CO GLOBAL CROSSING LOCAL SERVICES, INC.-CO
303-559 DENVER CO AMERICAN MESSAGING (AM), INC.
303-560 DENVER CO ARCH WIRELESS HOLDINGS, INC.
303-561 DENVER CO QWEST CORPORATION
303-562 DENVER CO GLOBAL CROSSING LOCAL SERVICES, INC.-CO
303-563 DENVER CO ICG TELECOM GROUP - CO
303-564 DENVER CO T-MOBILE USA, INC.
303-565 DENVER CO MCIMETRO, ATS, INC.
303-566 DENVER CO MCIMETRO, ATS, INC.
303-567 DENVER CO QWEST CORPORATION
303-568 DENVER CO TELEPORT COMMUNICATIONS GROUP - CO
303-569 GEORGETOWN CO QWEST CORPORATION
303-570 DENVER CO BLUE LICENSES HOLDING, LLC
303-571 DENVER CO QWEST CORPORATION
303-572 DENVER CO QWEST CORPORATION
303-573 DENVER CO QWEST CORPORATION
303-574 DENVER CO QWEST CORPORATION
303-575 DENVER CO QWEST CORPORATION
303-576 DENVER CO QWEST CORPORATION
303-577 AURORA CO ESCHELON TELECOM OF COLORADO, INC. - CO
303-578 KEENESBURG CO LEVEL 3 COMMUNICATIONS, LLC - CO
303-579 DENVER CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
303-580 DENVER CO AMERICAN MESSAGING (AM), INC.
303-581 DENVER CO QWEST CORPORATION
303-582 DENVER CO QWEST CORPORATION
303-583 DENVER CO TELEPORT COMMUNICATIONS GROUP - CO
303-584 DENVER CO QWEST CORPORATION
303-585 DENVER CO QWEST CORPORATION
303-586 DENVER CO 4DVISION, LLC - CO
303-587 DENVER CO SPRINT SPECTRUM L.P.
303-588 DENVER CO BLUE LICENSES HOLDING, LLC
303-589 DENVER CO BLUE LICENSES HOLDING, LLC
303-590 DENVER CO ICG TELECOM GROUP - CO
303-591 DENVER CO NEXTEL COMMUNICATIONS, INC.
303-592 DENVER CO QWEST CORPORATION
303-593 DENVER CO TELEPORT COMMUNICATIONS GROUP - CO
303-594 DENVER CO CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
303-595 DENVER CO QWEST CORPORATION
303-596 DENVER CO SPRINT SPECTRUM L.P.
303-597 DENVERSLVN CO ESCHELON TELECOM OF COLORADO, INC. - CO
303-598 DENVER CO NEXTEL COMMUNICATIONS, INC.
303-599 DENVER CO ARCH WIRELESS HOLDINGS, INC.
303-600 DENVER CO TELEPORT COMMUNICATIONS GROUP - CO