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Area Codes > 313 > Central Office Codes

Exchange Rate Center State Operating Company
313-319 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-320 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-321 DETROITZN5 MI ARCH WIRELESS HOLDINGS, INC.
313-322 DETROITZN6 MI AMERITECH MICHIGAN
313-323 DETROITZN6 MI AMERITECH MICHIGAN
313-324 DETROITZN1 MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
313-325 DETROITZN4 MI AMERICAN MESSAGING (AM), INC.
313-328 DETROITZN5 MI ARCH WIRELESS HOLDINGS, INC.
313-330 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-331 DETROITZN2 MI AMERITECH MICHIGAN
313-332 DETROITZN2 MI LEVEL 3 COMMUNICATIONS, LLC - MI
313-333 DETROITZN5 MI SPRINT SPECTRUM L.P.
313-334 DETROITZN3 MI LEVEL 3 COMMUNICATIONS, LLC - MI
313-335 DETROITZN1 MI CENTURYTEL ACQ., LLC DBA KMC TELECOM III, LLC - MI
313-336 DETROITZN6 MI AMERITECH MICHIGAN
313-337 DETROITZN6 MI AMERITECH MICHIGAN
313-338 DETROITZN1 MI ADBEEP, LLC
313-339 DETROITZN5 MI AMERICAN MESSAGING (AM), INC.
313-340 DETROITZN4 MI AMERITECH MICHIGAN
313-341 DETROITZN4 MI AMERITECH MICHIGAN
313-342 DETROITZN4 MI AMERITECH MICHIGAN
313-343 DETROITZN2 MI AMERITECH MICHIGAN
313-344 DETROITZN2 MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
313-345 DETROITZN4 MI AMERITECH MICHIGAN
313-346 DETROITZN3 MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
313-347 DETROITZN2 MI ALLEGIANCE TELECOM OF MICHIGAN, INC.
313-348 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-350 DETROITZN5 MI NEXTEL COMMUNICATIONS, INC.
313-354 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-357 DETROITZN6 MI LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI
313-359 DETROITZN6 MI AMERITECH MICHIGAN
313-360 DETROITZN5 MI AMERICAN MESSAGING (AM), INC.
313-361 DETROITZN1 MI AMERITECH MICHIGAN
313-362 DETROITZN5 MI LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI
313-363 DETROITZN5 MI NEXTEL COMMUNICATIONS, INC.
313-365 DETROITZN3 MI AMERITECH MICHIGAN
313-366 DETROITZN3 MI AMERITECH MICHIGAN
313-368 DETROITZN3 MI AMERITECH MICHIGAN
313-369 DETROITZN3 MI AMERITECH MICHIGAN
313-370 DETROITZN5 MI AMERICAN MESSAGING (AM), INC.
313-371 DETROITZN2 MI AMERITECH MICHIGAN
313-372 DETROITZN2 MI AMERITECH MICHIGAN
313-375 DETROITZN6 MI AMERITECH MICHIGAN
313-376 DETROITZN5 MI ARCH WIRELESS HOLDINGS, INC.
313-377 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-378 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-379 XXXXXXXXXX MI INSTANT PAGE, INC.
313-381 DETROITZN6 MI AMERITECH MICHIGAN
313-382 DETROITZN6 MI AMERITECH MICHIGAN
313-383 DETROITZN6 MI AMERITECH MICHIGAN
313-384 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-385 DETROITZN6 MI ARCH WIRELESS HOLDINGS, INC.
313-386 DETROITZN6 MI AMERITECH MICHIGAN
313-387 DETROITZN5 MI AMERITECH MICHIGAN
313-388 DETROITZN6 MI AMERITECH MICHIGAN
313-389 DETROITZN6 MI AMERITECH MICHIGAN
313-390 DETROITZN6 MI AMERITECH MICHIGAN
313-391 DETROITZN1 MI INSTANT PAGE, INC.
313-392 DETROITZN1 MI AMERITECH MICHIGAN
313-393 DETROITZN1 MI AMERITECH MICHIGAN
313-394 DETROITZN1 MI AMERITECH MICHIGAN
313-396 DETROITZN1 MI AMERITECH MICHIGAN
313-397 DETROITZN4 MI COMCAST PHONE OF MICHIGAN, LLC - MI
313-399 DETROITZN5 MI SPRINT SPECTRUM L.P.
313-400 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-401 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-402 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-404 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-405 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-406 DETROITZN6 MI COMCAST PHONE OF MICHIGAN, LLC - MI
313-407 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-408 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-409 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-410 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-411 MI
313-412 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-414 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-415 DETROITZN6 MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
313-416 DETROITZN4 MI ALLEGIANCE TELECOM OF MICHIGAN, INC.
313-417 DETROITZN2 MI AMERITECH MICHIGAN
313-418 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-420 DETROITZN1 MI LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI
313-421 DETROITZN5 MI NEW CINGULAR WIRELESS PCS, LLC - IL
313-422 DETROITZN3 MI ALLEGIANCE TELECOM OF MICHIGAN, INC.
313-423 DETROITZN2 MI NEXTEL COMMUNICATIONS, INC.
313-424 DETROITZN1 MI AT&T LOCAL
313-425 DETROITZN6 MI AMERITECH MICHIGAN
313-429 DETROITZN6 MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
313-430 DETROITZN1 MI AMERICAN MESSAGING (AM), INC.
313-431 DETROITZN1 MI AMERICAN MESSAGING (AM), INC.
313-432 DETROITZN2 MI BROADWING COMMUNICATIONS, LLC - MI
313-433 DETROITZN5 MI SPRINT SPECTRUM L.P.
313-434 DETROITZN5 MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
313-435 DETROITZN5 MI AMERICAN MESSAGING (AM), INC.
313-436 DETROITZN6 MI AMERITECH MICHIGAN
313-438 DETROITZN6 MI AMERITECH MICHIGAN
313-439 DETROITZN1 MI MICHTEL COMMUNICATIONS LLC - MI
313-440 DETROITZN5 MI ARCH WIRELESS HOLDINGS, INC.
313-441 DETROITZN6 MI AMERITECH MICHIGAN
313-442 DETROITZN1 MI AMERITECH MICHIGAN