Area Codes > 773 > Central Office Codes
Exchange | Rate Center | State | Operating Company |
---|---|---|---|
773-409 | CHICGOZN02 | IL | AT&T LOCAL |
773-410 | CHICGOZN02 | IL | NEXTEL COMMUNICATIONS, INC. |
773-411 | IL | ||
773-412 | CHICGOZN03 | IL | SPRINT SPECTRUM L.P. |
773-413 | CHICGOZN05 | IL | AT&T LOCAL |
773-414 | CHICGOZN03 | IL | T-MOBILE USA, INC. |
773-415 | CHICGOZN01 | IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
773-416 | CHICGOZN01 | IL | UNITED STATES CELLULAR CORP. - ILLINOIS |
773-417 | CHICGOZN05 | IL | COMCAST PHONE OF ILLINOIS, LLC - IL |
773-418 | CHICGOZN03 | IL | NEXTEL COMMUNICATIONS, INC. |
773-419 | CHICGOZN01 | IL | UNITED STATES CELLULAR CORP. - ILLINOIS |
773-420 | CHICGOZN07 | IL | TELEPORT COMMUNICATIONS GROUP - CHICAGO |
773-421 | CHICGOZN01 | IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
773-422 | CHICGOZN01 | IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
773-423 | CHICGOZN02 | IL | ALLEGIANCE TELECOM, INC. - IL |
773-424 | CHICGOZN08 | IL | TELEPORT COMMUNICATIONS GROUP - CHICAGO |
773-425 | CHICGOZN03 | IL | SPRINT SPECTRUM L.P. |
773-426 | CHICGOZN03 | IL | SPRINT SPECTRUM L.P. |
773-427 | CHICGOZN03 | IL | AMERITECH ILLINOIS |
773-428 | CHICGOZN01 | IL | NEW CINGULAR WIRELESS PCS, LLC - IL |
773-429 | CHICGOZN10 | IL | AMERITECH ILLINOIS |
773-430 | CHICGOZN03 | IL | UNITED STATES CELLULAR CORP. - ILLINOIS |
773-432 | CHICGOZN08 | IL | CIMCO COMMUNICATIONS, INC. - IL |
773-433 | CHICGOZN02 | IL | NEXTEL COMMUNICATIONS, INC. |
773-434 | CHICGOZN08 | IL | AMERITECH ILLINOIS |
773-435 | CHICGOZN04 | IL | XO ILLINOIS, INC. |
773-436 | CHICGOZN08 | IL | AMERITECH ILLINOIS |
773-437 | CHICGOZN09 | IL | TELEPORT COMMUNICATIONS GROUP - CHICAGO |
773-438 | CHICGOZN01 | IL | ARCH WIRELESS HOLDINGS, INC. |
773-439 | CHICGOZN03 | IL | RCN TELECOM SERVICES OF ILLINOIS, INC. - IL |
773-440 | CHICGOZN10 | IL | UNITED STATES CELLULAR CORP. - ILLINOIS |
773-442 | CHICGOZN02 | IL | MCI WORLDCOM COMMUNICATIONS, INC. - IL |
773-443 | CHICGOZN01 | IL | UNITED STATES CELLULAR CORP. - ILLINOIS |
773-444 | CHICGOZN03 | IL | AMERITECH ILLINOIS |
773-445 | CHICGOZN10 | IL | AMERITECH ILLINOIS |
773-446 | CHICGOZN06 | IL | BROADWING COMMUNICATIONS, LLC - IL |
773-447 | CHICGOZN01 | IL | NEXTEL COMMUNICATIONS, INC. |
773-448 | CHICGOZN01 | IL | ARCH WIRELESS HOLDINGS, INC. |
773-449 | CHICGOZN09 | IL | RCN TELECOM SERVICES OF ILLINOIS, INC. - IL |
773-450 | CHICGOZN01 | IL | NEW CINGULAR WIRELESS PCS, LLC - IL |
773-451 | CHICGOZN07 | IL | AMERITECH ILLINOIS |
773-452 | CHICGOZN01 | IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
773-453 | CHICGOZN11 | IL | XO ILLINOIS, INC. |
773-454 | CHICGOZN03 | IL | SPRINT SPECTRUM L.P. |
773-455 | CHICGOZN11 | IL | MCI WORLDCOM COMMUNICATIONS, INC. - IL |
773-456 | CHICGOZN03 | IL | NEW CINGULAR WIRELESS PCS, LLC - IL |
773-457 | CHICGOZN07 | IL | NEXTEL COMMUNICATIONS, INC. |
773-458 | CHICGOZN03 | IL | MCI WORLDCOM COMMUNICATIONS, INC. - IL |
773-459 | CHICGOZN01 | IL | SPRINT SPECTRUM L.P. |
773-460 | CHICGOZN01 | IL | ARCH WIRELESS HOLDINGS, INC. |
773-461 | CHICGOZN01 | IL | ARCH WIRELESS HOLDINGS, INC. |
773-462 | CHICGOZN11 | IL | AMERITECH ILLINOIS |
773-463 | CHICGOZN02 | IL | AMERITECH ILLINOIS |
773-464 | CHICGOZN01 | IL | ARCH WIRELESS HOLDINGS, INC. |
773-465 | CHICGOZN02 | IL | AMERITECH ILLINOIS |
773-466 | CHICGOZN05 | IL | XO ILLINOIS, INC. |
773-467 | CHICGOZN03 | IL | AMERITECH ILLINOIS |
773-468 | CHICGOZN10 | IL | AMERITECH ILLINOIS |
773-469 | CHICGOZN01 | IL | SPRINT SPECTRUM L.P. |
773-470 | CHICGOZN08 | IL | XO ILLINOIS, INC. |
773-471 | CHICGOZN08 | IL | AMERITECH ILLINOIS |
773-472 | CHICGOZN04 | IL | AMERITECH ILLINOIS |
773-473 | CHICGOZN05 | IL | AMERITECH ILLINOIS |
773-474 | CHICGOZN10 | IL | OVATION COMMUNICATIONS OF ILLINOIS, INC. |
773-475 | CHICGOZN06 | IL | TELEPORT COMMUNICATIONS GROUP - CHICAGO |
773-476 | CHICGOZN08 | IL | AMERITECH ILLINOIS |
773-477 | CHICGOZN04 | IL | AMERITECH ILLINOIS |
773-478 | CHICGOZN02 | IL | AMERITECH ILLINOIS |
773-479 | CHICGOZN05 | IL | AMERITECH ILLINOIS |
773-480 | CHICGOZN01 | IL | NEW CINGULAR WIRELESS PCS, LLC - IL |
773-481 | CHICGOZN03 | IL | AMERITECH ILLINOIS |
773-482 | CHICGOZN11 | IL | OVATION COMMUNICATIONS OF ILLINOIS, INC. |
773-483 | CHICGOZN07 | IL | AMERITECH ILLINOIS |
773-484 | CHICGOZN07 | IL | OVATION COMMUNICATIONS OF ILLINOIS, INC. |
773-485 | CHICGOZN01 | IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
773-486 | CHICGOZN04 | IL | AMERITECH ILLINOIS |
773-487 | CHICGOZN07 | IL | AMERITECH ILLINOIS |
773-488 | CHICGOZN07 | IL | AMERITECH ILLINOIS |
773-489 | CHICGOZN04 | IL | AMERITECH ILLINOIS |
773-490 | CHICGOZN03 | IL | NEW CINGULAR WIRELESS PCS, LLC - IL |
773-491 | CHICGOZN03 | IL | NEXTEL COMMUNICATIONS, INC. |
773-492 | CHICGOZN01 | IL | ARCH WIRELESS HOLDINGS, INC. |
773-493 | CHICGOZN07 | IL | AMERITECH ILLINOIS |
773-494 | CHICGOZN03 | IL | NEXTEL COMMUNICATIONS, INC. |
773-495 | CHICGOZN01 | IL | SPRINT SPECTRUM L.P. |
773-496 | CHICGOZN07 | IL | OVATION COMMUNICATIONS OF ILLINOIS, INC. |
773-497 | CHICGOZN01 | IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
773-498 | CHICGOZN08 | IL | TELEPORT COMMUNICATIONS GROUP - CHICAGO |
773-499 | CHICGOZN03 | IL | UNITED STATES CELLULAR CORP. - ILLINOIS |
773-500 | IL | ||
773-501 | CHICGOZN03 | IL | T-MOBILE USA, INC. |
773-502 | CHICGOZN01 | IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
773-503 | CHICGOZN10 | IL | T-MOBILE USA, INC. |
773-504 | CHICGOZN01 | IL | NEW CINGULAR WIRELESS PCS, LLC - IL |
773-505 | CHICGOZN01 | IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
773-506 | CHICGOZN02 | IL | AMERITECH ILLINOIS |
773-507 | CHICGOZN03 | IL | UNITED STATES CELLULAR CORP. - ILLINOIS |
773-508 | CHICGOZN02 | IL | AMERITECH ILLINOIS |
773-509 | CHICGOZN02 | IL | AMERITECH ILLINOIS |
773-510 | CHICGOZN03 | IL | T-MOBILE USA, INC. |