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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-633 A Traverse City MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-634 A Bois Blanc MI BBISMIXIPS0  0677 ISLAND TEL. CO. 348      
231-635 A Mackinaw City MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-636 A Howard City MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-637 A Northport MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-638 A Muskegon MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-639 A Beulah MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-640 A Lake Ann MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-642 A Traverse City MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-643 A Morley MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-645 A Traverse City MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-646 A Ellsworth MI ELWOMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-647 A Coral MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-648 A Howard City MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-649 A Traverse City MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-651 A Beulah MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-652 A Newaygo MI NWAYMINWDS0  9323 MICHIGAN BELL TEL CO 348      
231-655 A Manistee MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-656 A Kalkaska MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-660 A Big Rapids MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-663 A Mesick MI BRSPMI097MD  516J TON80 COMMUNICATIONS, LLC 348      
231-666 A Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-667 A Marion MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-668 A Traverse City MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-670 A Muskegon MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-672 A Muskegon MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
231-674 A Grant MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-675 A Boyne City MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-676 A Bellaire MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-678 A Brethren MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-679 A Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-680 A Reed City MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-681 A Fruitport MI FRPRMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-682 A Alden MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-683 A Muskegon MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-685 A Ravenna MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-686 A Frankfort MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-688 A Merritt MI BRSPMI095MD  965H FRACTEL, LLC 348      
231-689 A White Cloud MI WHCLMIADRSA  9323 MICHIGAN BELL TEL CO 348      
231-690 A Ludington MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-695 A Howard City MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-699 A Fountain MI BRSPMI097MD  516J TON80 COMMUNICATIONS, LLC 348      
231-707 A Newaygo MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-709 A Traverse City MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-712 A Muskegon MI GDRPMIBLXGZ  9748 AMERICAN MESSAGING SERVICES, LLC 348      
231-714 A Traverse City MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-715 A Traverse City MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-719 A Muskegon MI MSKGMIXLDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-720 A Muskegon MI MSKGMIXKDS1  0695 FRONTIER NORTH, INC. - MI 348      
231-721 A Hart MI GDRPMIBLX8Z  2550 123.NET, LLC 348      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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