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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-578 6 Muskegon MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-578 7 Muskegon MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-578 8 Muskegon MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-578 9 Muskegon MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-580 A Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-580 0 Big Rapids MI GDRPMIBL52Z  829J PAETEC ITEL, LLC 348   2003-11-25   
231-580 1 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-580 3 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-580 4 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2011-01-28   
231-580 5 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2010-04-17   
231-580 6 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-580 7 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2011-04-10   
231-580 8 Big Rapids MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2010-07-02   
231-580 9 Big Rapids MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-581 A Alba MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-581 0 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      
231-583 0 Ludington MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-583 1 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      
231-587 0 Mancelona MI MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 1 Mancelona MI MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 2 Mancelona MI MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 3 Mancelona MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-24   
231-587 4 Mancelona MI MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 5 Mancelona MI MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 6 Mancelona MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-15   
231-587 7 Mancelona MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-03-18   
231-587 8 Mancelona MI MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-587 9 Mancelona MI MNCLMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-588 A Ellsworth MI ELWOMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-588 0 Ellsworth MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2004-10-22   
231-588 1 Ellsworth MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2008-08-27   
231-588 2 Ellsworth MI ELWOMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-588 3 Ellsworth MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2012-07-09   
231-588 5 Ellsworth MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-07-11   
231-588 6 Ellsworth MI ELWOMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-588 7 Ellsworth MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-04-01   
231-588 8 Ellsworth MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-06-17   
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   
231-594 0 Hart MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2023-06-04   
231-594 1 Hart MI MSKGMIXKX1X  543C ONVOY, LLCV - MI 348   2023-08-06   
231-594 2 Hart MI MSKGMIXKRMD  506J TWILIO INTERNATIONAL, INC. 348   2025-01-14   
231-594 3 Hart MI GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348   2012-12-17   
231-594 4 Hart MI MSKGMIXKX1X  543C ONVOY, LLCV - MI 348   2022-05-31   
231-594 5 Hart MI MSKGMIXKX1X  543C ONVOY, LLCV - MI 348   2022-04-17   
231-594 6 Hart MI MSKGMIXKX1X  543C ONVOY, LLCV - MI 348   2017-05-19   
231-594 7 Hart MI MSKGMIXKX1X  543C ONVOY, LLCV - MI 348   2022-05-31   
231-594 8 Hart MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2024-03-19   
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      
231-597 0 Cheboygan MI CHBYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-597 1 Cheboygan MI CHBYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-597 2 Cheboygan MI CHBYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-597 3 Cheboygan MI GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348   2010-09-01   
231-597 4 Cheboygan MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-12-29   
231-597 5 Cheboygan MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-04-01   
231-597 6 Cheboygan MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2016-08-26   
231-597 7 Cheboygan MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-06-01   
231-597 8 Cheboygan MI CHBYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-597 9 Cheboygan MI CHBYMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-598 A Big Rapids MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-598 0 Big Rapids MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-598 1 Big Rapids MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-598 2 Big Rapids MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-598 3 Big Rapids MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-598 4 Big Rapids MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2013-02-08   
231-598 5 Big Rapids MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2016-10-15   
231-598 6 Big Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-06-12   
231-598 7 Big Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-04-01   
231-598 8 Big Rapids MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2019-05-24   
231-598 9 Big Rapids MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2012-08-15   
231-599 A Eastport MI ESPTMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-599 0 Eastport MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2004-10-22   
231-599 1 Eastport MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2011-10-18   
231-599 2 Eastport MI ESPTMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-599 3 Eastport MI ESPTMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-599 4 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2015-12-09   
231-599 5 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2015-12-17   
231-599 6 Eastport MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-17   
231-599 7 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-04-01   
231-599 8 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2015-12-09   
231-599 9 Eastport MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2015-12-17   
231-600 A Traverse City MI BRSPMI095MD  965H FRACTEL, LLC 348      
231-600 0 Traverse City MI BRSPMI095MD  965H FRACTEL, LLC 348   2020-02-15   
231-600 1 Traverse City MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2020-05-28   
231-600 2 Traverse City MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2020-06-21   
231-600 3 Traverse City MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2020-07-06   
231-600 4 Traverse City MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2020-07-06   
231-600 5 Traverse City MI   515J IP HORIZON LLC 348   2021-12-31   
231-600 6 Traverse City MI BRSPMI095MD  965H FRACTEL, LLC 348   2020-02-15   
231-600 7 Traverse City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-01-08   
231-600 8 Traverse City MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2020-05-01   

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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