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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
231-287 6 Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-287 7 Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-287 8 Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-287 9 Big Rapids MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-288 A Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-288 0 Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2005-11-04   
231-288 1 Muskegon MI GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348   2007-06-08   
231-288 2 Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2007-11-29   
231-288 3 Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2006-09-22   
231-288 4 Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2006-10-17   
231-288 5 Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2006-10-17   
231-288 6 Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2007-01-19   
231-288 7 Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2007-01-19   
231-288 8 Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2007-06-21   
231-288 9 Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2007-06-21   
231-289 A Charlevoix MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-289 0 Charlevoix MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2018-09-17   
231-289 1 Charlevoix MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-12-29   
231-289 2 Charlevoix MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-18   
231-289 3 Charlevoix MI GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348   2020-08-03   
231-289 4 Charlevoix MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2025-02-24   
231-289 5 Charlevoix MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-04-06   
231-289 6 Charlevoix MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-08-12   
231-289 7 Charlevoix MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-07-08   
231-289 8 Charlevoix MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2022-03-04   
231-289 9 Charlevoix MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2018-11-18   
231-290 A Indian River MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-290 0 Indian River MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-290 1 Indian River MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-290 2 Indian River MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-19   
231-290 3 Indian River MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-290 4 Indian River MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-290 5 Indian River MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-06-01   
231-290 6 Indian River MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-22   
231-290 7 Indian River MI   046L CLEAR RATE COMMUNICATIONS, LLC 348   2012-02-28   
231-290 8 Indian River MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-03-18   
231-290 9 Indian River MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-291 A Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348      
231-291 0 Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2012-07-12   
231-291 1 Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2012-07-12   
231-291 2 Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2012-07-12   
231-291 3 Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2012-07-12   
231-291 4 Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2012-07-12   
231-291 5 Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2012-07-12   
231-291 6 Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2012-07-12   
231-291 7 Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2012-07-12   
231-291 8 Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2012-07-12   
231-291 9 Muskegon MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2012-07-12   
231-292 A Whitehall MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
231-292 0 Whitehall MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-02-26   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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