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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
231-406 A Falmouth MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-407 A Mecosta MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-408 A Big Rapids MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-409 A Traverse City MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-410 A Manistee MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-412 A Harbor Springs MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-413 A Kalkaska MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-414 A Newaygo MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-415 A Dublin MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-416 A Big Rapids MI GDRPMIBLXGZ  9748 AMERICAN MESSAGING SERVICES, LLC 348      
231-417 A Petoskey MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
231-418 A Marion MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-419 A Bellaire MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-420 A Cheboygan MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-421 A Traverse City MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-422 A Pellston MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-423 A Evart MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-424 A Carr MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-425 A Ludington MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-426 A Ravenna MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-427 A Mackinaw City MI GDRPMIBL15Z  516C AT&T CORP. 348      
231-428 A Muskegon MI MSKGMIXKX1X  543C ONVOY, LLCV - MI 348      
231-429 A Cadillac MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-430 A Boyne City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-431 A Clam River MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2024-12-09   
231-432 A Northport MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-433 A Moorestown MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-434 A Manton MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-435 A Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-436 A Mackinaw City MI MCCYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-437 A Charlevoix MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-438 A Harbor Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-439 A Petoskey MI PTSKMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
231-440 A Baldwin MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-441 A Fife Lake MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-442 A Harrietta MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      
231-443 A Honor MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-444 A Cadillac MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-445 A Cheboygan MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-446 A Northport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-447 A Holton MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-448 A St James MI STJMMIXIPS0  0677 ISLAND TEL. CO. 348      
231-449 A Baldwin MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-450 A Hesperia MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-451 A Williamsburg MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-452 A Newaygo MI GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348      
231-453 A Holton MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-454 A Traverse City MI GDRPMIBL31Z  5562 METROPCS, INC. 348      
231-455 A Pentwater MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-456 A Glen Lake MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2024-10-20   
231-457 A Muskegon MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-459 A Boyne City MI GDRPMIBL52Z  829J PAETEC ITEL, LLC 348      
231-460 A Big Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-462 A Fountain MI FONTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-463 A Traverse City MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-464 A Freesoil MI FONTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-465 A Reed City MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-466 A Evart MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
231-468 A Cadillac MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-475 A Manton MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-477 A Brethren MI KLVAMIXIDS0  0703 KALEVA TEL. CO. 348      
231-480 A Ludington MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-484 A East Jordan MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
231-486 A Traverse City MI GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348      
231-487 A Petoskey MI PTSKMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
231-488 A Manistee MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-489 A Petoskey MI TRCYMIMNVMD  116F PENINSULA FIBER NETWORK, LLC - MI 348      
231-492 A Traverse City MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-493 A Traverse City MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-494 A Big Rapids MI GDRPMIBLXGZ  9748 AMERICAN MESSAGING SERVICES, LLC 348      
231-495 A Bellaire MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-497 A Boyne City MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-498 A Elk Rapids MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-499 A Traverse City MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-500 A Whitehall MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-508 A Onekama MI TRCYMIMNLMD  392F KALEVA TELEPHONE COMPANY - MI 348      
231-510 A Manistee MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-512 A Traverse City MI GDRPMIBLXGZ  9748 AMERICAN MESSAGING SERVICES, LLC 348      
231-514 A Cadillac MI GDRPMIBLXGZ  9748 AMERICAN MESSAGING SERVICES, LLC 348      
231-515 A Evart MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-516 A Petoskey MI GDRPMIBLXGZ  9748 AMERICAN MESSAGING SERVICES, LLC 348      
231-518 A Kalkaska MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-519 A Newaygo MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-520 A Charlevoix MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-522 A Luther MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-525 A Wolverine MI WLVRMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-526 A Harbor Springs MI HRSPMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-527 A Big Rapids MI BGRPMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
231-529 A Brutus MI BRTSMIXIDS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-531 A Muskegon MI GDRPMIBL31Z  5562 METROPCS, INC. 348      
231-533 A Bellaire MI BLLRMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-534 A Traverse City MI GDRPMIBL57Z  7421 AT&T - LOCAL 348      
231-535 A Walloon Lake MI WNLKMIWLRS1  9323 MICHIGAN BELL TEL CO 348      
231-536 A East Jordan MI EJRDMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-537 A Levering MI LVRGMIXIDS1  0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-538 A Fremont MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-539 A Pellston MI PLSTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-544 A Central Lake MI CNLKMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-545 A Boyne Falls MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-546 A Elmira MI EMIRMIXJDS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 348      

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Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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