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
231-791 7 Reed City MI   2550 123.NET, LLC 348   2009-02-27   
231-792 A Mancelona MI GDRPMIBLX8Z  2550 123.NET, LLC 348      
231-793 A White Cloud MI GDRPMIBL15Z  516C AT&T CORP. 348      
231-793 3 White Cloud MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2005-09-02   
231-793 6 White Cloud MI   516C AT&T CORP. 348   2011-08-23   
231-794 A Manistee MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-794 0 Manistee MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-794 1 Manistee MI   991E BANDWIDTH.COM CLEC, LLC - MI 348   2009-03-07   
231-794 2 Manistee MI   991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-06-26   
231-794 3 Manistee MI   7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348   2010-09-01   
231-794 4 Manistee MI   829J PAETEC ITEL, LLC 348   2004-02-10   
231-794 5 Manistee MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-07-17   
231-794 6 Manistee MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2007-01-26   
231-794 7 Manistee MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2005-08-26   
231-794 8 Manistee MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2004-10-22   
231-794 9 Manistee MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2003-07-07   
231-796 A Big Rapids MI BGRPMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
231-797 A Luther MI LTHRMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-797 0 Luther MI   3535 ACD TELECOM, INC. - MI 348   2005-02-11   
231-797 1 Luther MI   829J PAETEC ITEL, LLC 348   2004-02-10   
231-797 2 Luther MI   543C ONVOY, LLCV - MI 348   2015-08-02   
231-797 3 Luther MI   543C ONVOY, LLCV - MI 348   2016-04-14   
231-797 4 Luther MI   543C ONVOY, LLCV - MI 348   2013-03-18   
231-797 5 Luther MI   9323 MICHIGAN BELL TEL CO 348      
231-797 6 Luther MI   543C ONVOY, LLCV - MI 348   2016-04-14   
231-797 7 Luther MI   145J TERRA NOVA TELECOM INC. 348   2024-02-14   
231-797 8 Luther MI   508J CENTURYLINK COMMUNICATIONS, LLC 348   2017-10-04   
231-797 9 Luther MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-24   
231-798 A Muskegon MI MSKGMIXMRSM  0695 FRONTIER NORTH, INC. - MI 348      
231-798 0 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-798 1 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-798 2 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-798 3 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-798 4 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-798 5 Muskegon MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2013-07-01   
231-798 6 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-798 7 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-798 8 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-798 9 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-799 A Muskegon MI MSKGMIXMRSM  0695 FRONTIER NORTH, INC. - MI 348      
231-799 0 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-799 1 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-799 2 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-799 3 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-799 4 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-799 5 Muskegon MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2015-08-11   
231-799 6 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-799 7 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-799 8 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      
231-799 9 Muskegon MI   0695 FRONTIER NORTH, INC. - MI 348      

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

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