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Area Codes > 313 > Central Office Codes

Exchange Rate Center State Operating Company
313-443 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-445 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-446 DETROITZN1 MI AMERITECH MICHIGAN
313-447 DETROITZN2 MI NEXTEL COMMUNICATIONS, INC.
313-449 DETROITZN2 MI XO MICHIGAN, INC.
313-450 DETROITZN5 MI ALLEGIANCE TELECOM OF MICHIGAN, INC.
313-452 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-453 DETROITZN2 MI TELNET WORLDWIDE, INC.
313-454 DETROITZN3 MI XO MICHIGAN, INC.
313-456 DETROITZN1 MI AMERITECH MICHIGAN
313-457 DETROITZN6 MI ALLEGIANCE TELECOM OF MICHIGAN, INC.
313-458 DETROITZN2 MI TALK AMERICA INC. - MI
313-459 DETROITZN1 MI METRO PCS, INC.
313-460 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-461 DETROITZN5 MI SPRINT SPECTRUM L.P.
313-463 DETROITZN1 MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
313-465 DETROITZN1 MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
313-466 DETROITZN2 MI NEXTEL COMMUNICATIONS, INC.
313-467 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-468 DETROITZN4 MI NEXTEL COMMUNICATIONS, INC.
313-469 DETROITZN2 MI COMCAST PHONE OF MICHIGAN, LLC - MI
313-471 DETROITZN1 MI AMERITECH MICHIGAN
313-472 DETROIT MI AMERITECH MICHIGAN
313-475 DETROITZN5 MI NEXTEL COMMUNICATIONS, INC.
313-477 DETROITZN6 MI NEXTEL COMMUNICATIONS, INC.
313-478 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-481 DETROITZN1 MI TELNET WORLDWIDE, INC.
313-483 DETROITZN1 MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
313-485 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-486 DETROITZN5 MI LEVEL 3 COMMUNICATIONS, LLC - MI
313-490 MI
313-491 DETROITZN4 MI AMERITECH MICHIGAN
313-492 DETROITZN5 MI SPRINT SPECTRUM L.P.
313-493 DETROITZN4 MI AMERITECH MICHIGAN
313-494 DETROITZN1 MI AMERITECH MICHIGAN
313-496 DETROITZN1 MI AMERITECH MICHIGAN
313-498 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-499 DETROITZN2 MI AMERITECH MICHIGAN
313-500 MI
313-501 DETROITZN5 MI AMERICAN MESSAGING (AM), INC.
313-503 DETROITZN5 MI AMERICAN MESSAGING (AM), INC.
313-505 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-506 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-507 DETROITZN5 MI AMERITECH MICHIGAN
313-508 DETROITZN5 MI AMERITECH MICHIGAN
313-510 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-511 MI
313-512 DETROITZN5 MI ARCH WIRELESS HOLDINGS, INC.
313-514 DETROITZN5 MI ARCH WIRELESS HOLDINGS, INC.
313-515 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-516 DETROITZN5 MI SPRINT SPECTRUM L.P.
313-519 MI
313-520 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-521 DETROITZN2 MI AMERITECH MICHIGAN
313-522 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-523 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-525 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-526 DETROITZN2 MI AMERITECH MICHIGAN
313-527 DETROITZN2 MI AMERITECH MICHIGAN
313-529 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-530 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-531 DETROITZN5 MI AMERITECH MICHIGAN
313-532 DETROITZN5 MI AMERITECH MICHIGAN
313-533 DETROITZN5 MI AMERITECH MICHIGAN
313-534 DETROITZN5 MI AMERITECH MICHIGAN
313-535 DETROITZN5 MI AMERITECH MICHIGAN
313-537 DETROITZN1 MI AMERITECH MICHIGAN
313-538 DETROITZN5 MI AMERITECH MICHIGAN
313-539 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-541 DETROITZN5 MI AMERITECH MICHIGAN
313-543 DETROITZN5 MI AMERITECH MICHIGAN
313-544 DETROITZN4 MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
313-549 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-550 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-551 DETROITZN6 MI AMERITECH MICHIGAN
313-553 DETROITZN1 MI AMERITECH MICHIGAN
313-554 DETROITZN6 MI AMERITECH MICHIGAN
313-555 MI AMERITECH MICHIGAN
313-556 DETROITZN1 MI AMERITECH MICHIGAN
313-557 DETROITZN1 MI ALLEGIANCE TELECOM OF MICHIGAN, INC.
313-559 DETROITZN5 MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
313-560 DETROITZN5 MI AMERITECH MICHIGAN
313-561 DETROITZN6 MI AMERITECH MICHIGAN
313-562 DETROITZN6 MI AMERITECH MICHIGAN
313-563 DETROITZN6 MI AMERITECH MICHIGAN
313-564 DETROITZN3 MI AMERITECH MICHIGAN
313-565 DETROITZN6 MI AMERITECH MICHIGAN
313-566 DETROITZN1 MI AMERITECH MICHIGAN
313-567 DETROITZN1 MI AMERITECH MICHIGAN
313-568 DETROITZN1 MI AMERITECH MICHIGAN
313-570 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-571 DETROITZN2 MI AMERITECH MICHIGAN
313-573 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-574 DETROITZN5 MI SPRINT SPECTRUM L.P.
313-575 DETROITZN5 MI SPRINT SPECTRUM L.P.
313-576 DETROITZN1 MI AMERITECH MICHIGAN
313-577 DETROITZN1 MI AMERITECH MICHIGAN
313-578 DETROITZN1 MI AMERITECH MICHIGAN
313-579 DETROITZN2 MI AMERITECH MICHIGAN
313-580 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI