Local Calling Guide

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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
231-769 6 Muskegon MI GDRPMIBLXDZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2010-08-19   
231-769 7 Muskegon MI GDRPMIBLXDZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2006-06-18   
231-769 8 Muskegon MI GDRPMIBLXDZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2010-07-16   
231-769 9 Muskegon MI GDRPMIBLXDZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2010-07-16   
231-771 A Elk Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-771 0 Elk Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-05-20   
231-771 1 Elk Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-05-20   
231-771 2 Elk Rapids MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2019-12-18   
231-771 3 Elk Rapids MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2020-03-18   
231-771 4 Elk Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-771 5 Elk Rapids MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-19   
231-771 6 Elk Rapids MI GDRPMIBL41Z  506J TWILIO INTERNATIONAL, INC. 348   2021-07-26   
231-772 A Wellston MI BRSPMI097MD  516J TON80 COMMUNICATIONS, LLC 348      
231-772 1 Wellston MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2023-05-28   
231-772 2 Wellston MI BRSPMI097MD  516J TON80 COMMUNICATIONS, LLC 348   2022-05-07   
231-773 A Muskegon MI MSKGMIXNDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-774 A Interlochen MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-774 0 Interlochen MI GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348   2005-09-02   
231-774 2 Interlochen MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-06-01   
231-774 3 Interlochen MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-12-30   
231-774 4 Interlochen MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-03-18   
231-774 5 Interlochen MI GDRPMIBL15Z  516C AT&T CORP. 348   2011-08-23   
231-774 6 Interlochen MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2014-12-26   
231-774 7 Interlochen MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-03-12   
231-774 8 Interlochen MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-23   
231-774 9 Interlochen MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-22   
231-775 A Cadillac MI CDLCMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
231-776 A Petoskey MI GDRPMIBLX8Z  2550 123.NET, INC. 348      
231-777 A Muskegon MI MSKGMIXNDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-778 A Traverse City MI GDRPMIBLX8Z  2550 123.NET, INC. 348      
231-779 A Cadillac MI CDLCMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
231-780 A Muskegon MI NRSHMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-780 0 Muskegon MI NRSHMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-780 1 Muskegon MI NRSHMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-780 2 Muskegon MI NRSHMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-780 3 Muskegon MI NRSHMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-780 4 Muskegon MI NRSHMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-780 5 Muskegon MI NRSHMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-780 6 Muskegon MI NRSHMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-780 7 Muskegon MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2012-03-29   
231-780 8 Muskegon MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2014-03-19   
231-780 9 Muskegon MI NRSHMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-782 A Cheboygan MI GDRPMIBLX8Z  2550 123.NET, INC. 348      
231-786 A Traverse City MI BRSPMI095MD  965H FRACTEL, LLC 348      
231-786 0 Traverse City MI BRSPMI091MD  939H COMMIO, LLC 348   2021-09-16   
231-786 1 Traverse City MI BRSPMI091MD  939H COMMIO, LLC 348   2021-09-16   
231-786 2 Traverse City MI GDRPMIBL41Z  506J TWILIO INTERNATIONAL, INC. 348   2021-07-26   
231-786 3 Traverse City MI BRSPMI091MD  939H COMMIO, LLC 348   2021-09-16   
231-786 4 Traverse City MI GDRPMIBLXDZ  5562 METROPCS, INC. 348   2021-09-28   
231-786 5 Traverse City MI GDRPMIBLXDZ  5562 METROPCS, INC. 348   2021-09-28   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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