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Central Office Codes

Exchange Rate Center State Operating Company
231-448 ST JAMES MI ISLAND TELEPHONE CO.
231-450 HESPERIA MI DOBSON CELLULAR SYSTEMS, INC.
231-452 NEWAYGO MI LUCRE, INC.
231-457 MUSKEGON MI ACD TELECOM, INC. - MI
231-459 BOYNE CITY MI LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI
231-460 BIG RAPIDS MI LUCRE, INC.
231-462 FOUNTAIN MI AMERITECH MICHIGAN
231-463 TRAVERSECY MI ALLTEL COMMUNICATIONS, INC. - MI
231-464 FREESOIL MI AMERITECH MICHIGAN
231-465 REED CITY MI CENTENNIAL MICHIANA LICENSE COMPANY LLC
231-468 CADILLAC MI SPRINT SPECTRUM L.P.- MI
231-477 BRETHREN MI KALEVA TELEPHONE CO.
231-480 LUDINGTON MI LEVEL 3 COMMUNICATIONS, LLC - MI
231-482 BOYNE CITY MI LUCRE, INC.
231-486 TRAVERSECY MI BROOKS FIBER COMMUNICATIONS - MICHIGAN
231-487 PETOSKEY MI AMERITECH MICHIGAN
231-488 MANISTEE MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-492 TRAVERSECY MI ALLTEL COMMUNICATIONS, INC. - MI
231-494 BIG RAPIDS MI AMERICAN MESSAGING (AM), INC.
231-498 ELK RAPIDS MI LEVEL 3 COMMUNICATIONS, LLC - MI
231-499 TRAVERSECY MI ALLTEL COMMUNICATIONS, INC. - MI
231-508 ONEKAMA MI KALEVA TELEPHONE CO.
231-509 BALDWIN MI ARCH WIRELESS HOLDINGS, INC.
231-510 MANISTEE MI DOBSON CELLULAR SYSTEMS, INC.
231-511 MI
231-512 TRAVERSECY MI AMERICAN MESSAGING (AM), INC.
231-514 CADILLAC MI AMERICAN MESSAGING (AM), INC.
231-515 EVART MI ACD TELECOM, INC. - MI
231-516 PETOSKEY MI AMERICAN MESSAGING (AM), INC.
231-518 KALKASKA MI LEVEL 3 COMMUNICATIONS, LLC - MI
231-519 NEWAYGO MI ALLTEL COMMUNICATIONS, INC. - MI
231-520 CHARLEVOIX MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-522 LUTHER MI LUCRE, INC.
231-525 WOLVERINE MI AMERITECH MICHIGAN
231-526 HARBOR SPG MI AMERITECH MICHIGAN
231-527 BIG RAPIDS MI AMERITECH MICHIGAN
231-529 BRUTUS MI CENTURYTEL OF MICHIGAN, INC.
231-532 KALKASKA MI AMERICAN MESSAGING (AM), INC.
231-533 BELLAIRE MI VERIZON NORTH INC.-MI
231-534 TRAVERSECY MI AT&T LOCAL
231-535 WALLOON LK MI AMERITECH MICHIGAN
231-536 EASTJORDAN MI AMERITECH MICHIGAN
231-537 LEVERING MI CENTURYTEL OF MICHIGAN, INC.
231-538 FREMONT MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-539 PELLSTON MI AMERITECH MICHIGAN
231-543 LE ROY MI LUCRE, INC.
231-544 CENTRAL LK MI VERIZON NORTH INC.-MI
231-546 ELMIRA MI CENTURYTEL OF MICHIGAN, INC.
231-547 CHARLEVOIX MI AMERITECH MICHIGAN
231-548 ALANSON MI CENTURYTEL OF MICHIGAN, INC.
231-549 BOYNEFALLS MI CENTURYTEL OF MICHIGAN, INC.
231-555 GDRPBL1JB MI AMERITECH MICHIGAN
231-556 CHARLEVOIX MI LUCRE, INC.
231-557 MUSKEGON MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
231-563 MUSKEGON MI LUCRE, INC.
231-564 KALKASKA MI DOBSON CELLULAR SYSTEMS, INC.
231-568 TRAVERSECY MI LUCRE, INC.
231-569 PETOSKEY MI AMERICAN MESSAGING (AM), INC.
231-570 FIFE LAKE MI DOBSON CELLULAR SYSTEMS, INC.
231-571 MUSKEGON MI VERIZON NORTH INC.-MI
231-577 CADILLAC MI LEVEL 3 COMMUNICATIONS, LLC - MI
231-578 MUSKEGON MI NEXTEL COMMUNICATIONS, INC.
231-580 BIG RAPIDS MI SPRINT SPECTRUM L.P.- MI
231-582 BOYNE CITY MI AMERITECH MICHIGAN
231-583 LUDINGTON MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-584 ALBA MI PIGEON TELEPHONE CO.
231-585 LAKE NORTH MI PIGEON TELEPHONE CO.
231-587 MANCELONA MI AMERITECH MICHIGAN
231-588 ELLSWORTH MI VERIZON NORTH INC.-MI
231-590 TRAVERSECY MI ALLTEL COMMUNICATIONS, INC. - MI
231-591 BIG RAPIDS MI AMERITECH MICHIGAN
231-592 BIG RAPIDS MI AMERITECH MICHIGAN
231-593 CADILLAC MI ARCH WIRELESS HOLDINGS, INC.
231-594 HART MI LUCRE, INC.
231-596 HARBOR SPG MI ARCH WIRELESS HOLDINGS, INC.
231-597 CHEBOYGAN MI AMERITECH MICHIGAN
231-598 BIG RAPIDS MI CENTENNIAL MICHIANA LICENSE COMPANY LLC
231-599 EASTPORT MI VERIZON NORTH INC.-MI
231-604 KALKASKA MI ARCH WIRELESS HOLDINGS, INC.
231-605 NEWAYGO MI ARCH WIRELESS HOLDINGS, INC.
231-606 BIG RAPIDS MI ARCH WIRELESS HOLDINGS, INC.
231-607 CHEBOYGAN MI ARCH WIRELESS HOLDINGS, INC.
231-608 FRANKFORT MI ARCH WIRELESS HOLDINGS, INC.
231-611 MI
231-613 SCOTTVILLE MI CARR TELEPHONE CO.
231-614 PENTWATER MI LUCRE, INC.
231-615 CHEBOYGAN MI AMERICAN MESSAGING (AM), INC.
231-620 TRAVERSECY MI DOBSON CELLULAR SYSTEMS, INC.
231-622 PETOSKEY MI LEVEL 3 COMMUNICATIONS, LLC - MI
231-623 WOLVERINE MI LUCRE, INC.
231-624 KALKASKA MI NEXTEL COMMUNICATIONS, INC.
231-625 CHEBOYGAN MI AMERITECH MICHIGAN
231-627 CHEBOYGAN MI AMERITECH MICHIGAN
231-628 MANISTEE MI AMERICAN MESSAGING (AM), INC.
231-629 BIG RAPIDS MI NEXTEL COMMUNICATIONS, INC.
231-631 TRAVERSECY MI ALLTEL COMMUNICATIONS, INC. - MI
231-632 TRAVERSECY MI DOBSON CELLULAR SYSTEMS, INC.
231-633 TRAVERSECY MI DOBSON CELLULAR SYSTEMS, INC.
231-634 BOIS BLANC MI ISLAND TELEPHONE CO.
231-635 MACKINAWCY MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI