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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
231-277 0 Fountain MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-05-20   
231-277 1 Fountain MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-05-20   
231-277 2 Fountain MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-05-21   
231-277 3 Fountain MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-05-21   
231-277 4 Fountain MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2018-12-14   
231-277 5 Fountain MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-10-18   
231-277 6 Fountain MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-10-18   
231-277 7 Fountain MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2017-10-04   
231-277 8 Fountain MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2016-06-20   
231-277 9 Fountain MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-19   
231-278 A Hesperia MI MSKGMIXKQMD  624H ONVOY SPECTRUM, LLC 348      
231-278 0 Hesperia MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2021-06-10   
231-278 1 Hesperia MI MSKGMIXKX1X  543C ONVOY, LLCV - MI 348   2023-08-12   
231-278 2 Hesperia MI MSKGMIXKQMD  624H ONVOY SPECTRUM, LLC 348   2021-06-19   
231-278 3 Hesperia MI BRSPMI097MD  516J TON80 COMMUNICATIONS, LLC 348   2021-10-01   
231-278 4 Hesperia MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-12-29   
231-278 5 Hesperia MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-04-28   
231-278 6 Hesperia MI MSKGMIXKX1X  543C ONVOY, LLCV - MI 348   2023-10-08   
231-278 7 Hesperia MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-12-26   
231-278 8 Hesperia MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-12-26   
231-278 9 Hesperia MI MSKGMIXKQMD  624H ONVOY SPECTRUM, LLC 348   2021-12-20   
231-279 A Big Rapids MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-279 0 Big Rapids MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2025-04-14   
231-279 1 Big Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-11-15   
231-279 2 Big Rapids MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2020-02-10   
231-279 3 Big Rapids MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-18   
231-279 4 Big Rapids MI GDRPMIBL31Z  5562 METROPCS, INC. 348   2021-10-15   
231-279 6 Big Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-11-15   
231-279 7 Big Rapids MI BRSPMI096MD  145J TERRA NOVA TELECOM INC. 348   2024-02-14   
231-279 8 Big Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-11-20   
231-279 9 Big Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2020-11-20   
231-280 A Mancelona MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-280 0 Mancelona MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-04-27   
231-280 1 Mancelona MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-04-27   
231-280 2 Mancelona MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-19   
231-280 3 Mancelona MI GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348   2020-09-08   
231-280 5 Mancelona MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2021-09-16   
231-280 9 Mancelona MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2023-10-28   
231-281 A Cadillac MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-281 0 Cadillac MI GDRPMIBL31Z  5562 METROPCS, INC. 348   2021-09-28   
231-281 1 Cadillac MI GDRPMIBL31Z  5562 METROPCS, INC. 348   2021-09-28   
231-281 2 Cadillac MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-281 3 Cadillac MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-281 4 Cadillac MI GDRPMIBL31Z  5562 METROPCS, INC. 348   2021-03-14   
231-281 5 Cadillac MI GDRPMIBL31Z  5562 METROPCS, INC. 348   2021-03-14   
231-281 6 Cadillac MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-18   
231-281 7 Cadillac MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2024-12-02   
231-281 8 Cadillac MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2020-12-18   
231-281 9 Cadillac MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2020-12-18   
231-282 A Grant MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-282 0 Grant MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-282 1 Grant MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-282 2 Grant MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-282 3 Grant MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-282 4 Grant MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-282 5 Grant MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-282 6 Grant MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-02-11   
231-282 7 Grant MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2007-02-25   
231-282 9 Grant MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2012-07-06   
231-283 A Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-283 0 Muskegon MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-10-01   
231-283 1 Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-01-07   
231-283 2 Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-01-07   
231-283 3 Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-01-07   
231-283 4 Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-01-07   
231-283 5 Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-02-18   
231-283 6 Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-02-18   
231-283 7 Muskegon MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2025-10-13   
231-283 8 Muskegon MI MSKGMIXKQMD  624H ONVOY SPECTRUM, LLC 348   2021-05-24   
231-283 9 Muskegon MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-10-01   
231-284 A Manistee MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-284 0 Manistee MI TRCYMIMNVMD  116F PENINSULA FIBER NETWORK, LLC - MI 348   2021-07-22   
231-284 1 Manistee MI GDRPMIBL31Z  5562 METROPCS, INC. 348   2021-10-15   
231-284 2 Manistee MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-05-10   
231-284 3 Manistee MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-19   
231-284 4 Manistee MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2024-12-13   
231-284 5 Manistee MI BRSPMI09FMD  145J TERRA NOVA TELECOM INC. 348   2024-02-15   
231-284 6 Manistee MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-06-06   
231-284 7 Manistee MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-06-06   
231-284 8 Manistee MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-06-06   
231-284 9 Manistee MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-04-15   
231-285 A Cadillac MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348      
231-285 0 Cadillac MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2020-04-27   
231-285 1 Cadillac MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2020-08-24   
231-285 2 Cadillac MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-05-11   
231-285 3 Cadillac MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-05-11   
231-285 4 Cadillac MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-05-11   
231-285 5 Cadillac MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-05-20   
231-285 6 Cadillac MI GDRPMIBL31Z  5562 METROPCS, INC. 348   2021-09-28   
231-285 7 Cadillac MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2020-03-09   
231-285 8 Cadillac MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2020-03-09   
231-285 9 Cadillac MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2020-03-09   
231-286 A Muskegon MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-287 A Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-287 0 Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-287 1 Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-287 2 Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-287 3 Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-287 4 Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2011-05-14   
231-287 5 Big Rapids MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-06-12   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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