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Central Office Codes

Exchange Rate Center State Operating Company
248-350 SOUTHFIELD MI AMERITECH MICHIGAN
248-351 SOUTHFIELD MI AMERITECH MICHIGAN
248-352 SOUTHFIELD MI AMERITECH MICHIGAN
248-353 SOUTHFIELD MI AMERITECH MICHIGAN
248-354 SOUTHFIELD MI AMERITECH MICHIGAN
248-355 SOUTHFIELD MI AMERITECH MICHIGAN
248-356 SOUTHFIELD MI AMERITECH MICHIGAN
248-357 SOUTHFIELD MI AMERITECH MICHIGAN
248-358 SOUTHFIELD MI AMERITECH MICHIGAN
248-359 SOUTHFIELD MI AMERITECH MICHIGAN
248-360 COMMERCE MI AMERITECH MICHIGAN
248-361 SOUTHFIELD MI NEXTEL COMMUNICATIONS, INC.
248-362 TROY MI AMERITECH MICHIGAN
248-363 COMMERCE MI AMERITECH MICHIGAN
248-364 PONTIAC MI AMERITECH MICHIGAN
248-365 PONTIAC MI MCI WORLDCOM COMMUNICATIONS, INC. - MI
248-366 COMMERCE MI AMERITECH MICHIGAN
248-367 ROYAL OAK MI AMERICAN MESSAGING (AM), INC.
248-368 SOUTHFIELD MI AMERITECH MICHIGAN
248-369 HOLLY MI XO MICHIGAN, INC.
248-370 PONTIAC MI AMERITECH MICHIGAN
248-371 PONTIAC MI AMERITECH MICHIGAN
248-372 SOUTHFIELD MI AMERITECH MICHIGAN
248-373 PONTIAC MI AMERITECH MICHIGAN
248-374 NORTHVILLE MI AMERITECH MICHIGAN
248-375 ROCHESTER MI AMERITECH MICHIGAN
248-376 ROYAL OAK MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-377 PONTIAC MI AMERITECH MICHIGAN
248-379 TROY MI NEXTEL COMMUNICATIONS, INC.
248-380 NORTHVILLE MI AMERITECH MICHIGAN
248-381 FARMINGTON MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
248-382 HOLLY MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
248-383 DRAYTON PL MI PHONE MICHIGAN
248-384 CLARKSTON MI PHONE MICHIGAN
248-386 SOUTHFIELD MI AMERITECH MICHIGAN
248-387 COMMERCE MI PHONE MICHIGAN
248-388 SOUTHFIELD MI NEXTEL COMMUNICATIONS, INC.
248-389 ROYAL OAK MI ARCH WIRELESS HOLDINGS, INC.
248-390 PONTIAC MI SPRINT SPECTRUM L.P.
248-391 PONTIAC MI AMERITECH MICHIGAN
248-393 PONTIAC MI AMERITECH MICHIGAN
248-394 CLARKSTON MI AMERITECH MICHIGAN
248-395 SOUTHFIELD MI AMERITECH MICHIGAN
248-396 PONTIAC MI SPRINT SPECTRUM L.P.
248-397 ROYAL OAK MI MCIMETRO, ATS, INC.
248-398 ROYAL OAK MI AMERITECH MICHIGAN
248-399 ROYAL OAK MI AMERITECH MICHIGAN
248-400 SOUTHFIELD MI AMERICAN MESSAGING (AM), INC.
248-401 ROYAL OAK MI ARCH WIRELESS HOLDINGS, INC.
248-402 ROCHESTER MI PHONE MICHIGAN
248-404 TROY MI AMERITECH MICHIGAN
248-405 ROYAL OAK MI ARCH WIRELESS HOLDINGS, INC.
248-406 W BLOOMFLD MI PHONE MICHIGAN
248-407 AUBURN HTS MI AMERICAN MESSAGING (AM), INC.
248-408 PONTIAC MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-409 PONTIAC MI PHONE MICHIGAN
248-410 PONTIAC MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-411 MI
248-412 NORTHVILLE MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
248-413 ROCHESTER MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
248-414 ROYAL OAK MI AMERITECH MICHIGAN
248-415 SOUTHFIELD MI XO MICHIGAN, INC.
248-416 SOUTHFIELD MI ZENK GROUP LTD. DBA PLANET ACCESS - MI
248-417 SOUTHFIELD MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-418 PONTIAC MI LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI
248-419 W BLOOMFLD MI LEVEL 3 COMMUNICATIONS, LLC - MI
248-420 PONTIAC MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-421 PONTIAC MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-422 TROY MI PHONE MICHIGAN
248-423 SOUTHFIELD MI AMERITECH MICHIGAN
248-424 SOUTHFIELD MI AMERITECH MICHIGAN
248-425 PONTIAC MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-426 FARMINGTON MI AMERITECH MICHIGAN
248-427 FARMINGTON MI AMERITECH MICHIGAN
248-428 MILFDWH LK MI PHONE MICHIGAN
248-429 OXFORD MI PHONE MICHIGAN
248-430 BIRMINGHAM MI MCI WORLDCOM COMMUNICATIONS, INC. - MI
248-431 PONTIAC MI NEXTEL COMMUNICATIONS, INC.
248-432 W BLOOMFLD MI BROADWING COMMUNICATIONS, LLC - MI
248-433 BIRMINGHAM MI AMERITECH MICHIGAN
248-434 TROY MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
248-435 ROYAL OAK MI AMERITECH MICHIGAN
248-436 SOUTHFIELD MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
248-437 SOUTH LYON MI AMERITECH MICHIGAN
248-438 WALLEDLAKE MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
248-439 ROYAL OAK MI SIGECOM, LLC - MI
248-440 SOUTHFIELD MI LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI
248-441 AUBURN HTS MI AMERICAN MESSAGING (AM), INC.
248-442 FARMINGTON MI AMERITECH MICHIGAN
248-443 SOUTHFIELD MI AMERITECH MICHIGAN
248-444 NORTHVILLE MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-445 SOUTHFIELD MI AMERITECH MICHIGAN
248-446 SOUTH LYON MI AMERITECH MICHIGAN
248-447 SOUTHFIELD MI AMERITECH MICHIGAN
248-448 SOUTHFIELD MI AMERITECH MICHIGAN
248-449 NORTHVILLE MI AMERITECH MICHIGAN
248-451 PONTIAC MI AMERITECH MICHIGAN
248-452 PONTIAC MI AMERITECH MICHIGAN
248-453 ROCHESTER MI ALLEGIANCE TELECOM OF MICHIGAN, INC.
248-454 PONTIAC MI AMERITECH MICHIGAN