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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
231-547 A Charlevoix MI CHVXMIMNRS0  9323 MICHIGAN BELL TEL CO 348      
231-548 A Alanson MI ALNSMIXJDS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-549 A Boyne Falls MI BNFLMIXIDS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-550 A Petoskey MI GDRPMIBL31Z  5562 METROPCS, INC. 348      
231-552 A Charlevoix MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2025-09-21   
231-557 A Muskegon MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-559 A McBain MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-563 A Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-564 A Kalkaska MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-566 A Harrietta MI BRSPMI097MD  516J TON80 COMMUNICATIONS, LLC 348      
231-567 A Muskegon MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
231-568 A Traverse City MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-569 A Petoskey MI GDRPMIBLXGZ  9748 AMERICAN MESSAGING SERVICES, LLC 348      
231-570 A Fife Lake MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-571 A Muskegon MI MSKGMIXKDS1  0695 FRONTIER NORTH, INC. - MI 348      
231-577 A Cadillac MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-578 A Muskegon MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-580 A Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-581 A Alba MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-582 A Boyne City MI BOCYMIBCDS0  9323 MICHIGAN BELL TEL CO 348      
231-583 A Ludington MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-584 A Alba MI LKNRMIXJDS1  0721 PIGEON TEL. CO. 348      
231-585 A Lakes of the North MI LKNRMIXJDS1  0721 PIGEON TEL. CO. 348      
231-587 A Mancelona MI MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-588 A Ellsworth MI ELWOMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-590 A Traverse City MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-591 A Big Rapids MI BGRPMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
231-592 A Big Rapids MI BGRPMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
231-593 A Cadillac MI GDRPMIBL44Z  6630 USA MOBILITY WIRELESS, INC. 348      
231-594 A Hart MI MSKGMIXKRMD  506J TWILIO INTERNATIONAL, INC. 348   2025-01-13   
231-596 A Harbor Springs MI GDRPMIBL44Z  6630 USA MOBILITY WIRELESS, INC. 348      
231-597 A Cheboygan MI CHBYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-598 A Big Rapids MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-599 A Eastport MI ESPTMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-600 A Traverse City MI BRSPMI095MD  965H FRACTEL, LLC 348      
231-604 A Kalkaska MI GDRPMIBL44Z  6630 USA MOBILITY WIRELESS, INC. 348      
231-605 A Newaygo MI GDRPMIBL44Z  6630 USA MOBILITY WIRELESS, INC. 348      
231-608 A Frankfort MI GDRPMIBL44Z  6630 USA MOBILITY WIRELESS, INC. 348      
231-613 A Scottville MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-614 A Pentwater MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-615 A Cheboygan MI GDRPMIBLXGZ  9748 AMERICAN MESSAGING SERVICES, LLC 348      
231-620 A Traverse City MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-622 A Petoskey MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-624 A Kalkaska MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-625 A Cheboygan MI CHBYMISORSA  9323 MICHIGAN BELL TEL CO 348      
231-626 A Levering MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-627 A Cheboygan MI CHBYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-629 A Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-631 A Traverse City MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-632 A Traverse City MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      

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

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