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
231-743 5 Marion MI GDRPMIBL15Z  516C AT&T CORP. 348   2011-08-23   
231-743 6 Marion MI MARNMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-743 7 Marion MI TRCYMIMNWMD  7575 CENTURYLINK COMMUNICATIONS LLC 348   2015-09-18   
231-743 8 Marion MI GDRQMIBODS0  7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 348   2020-09-08   
231-743 9 Marion MI MARNMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-744 A Muskegon MI MSKGMIXLDS0  0695 FRONTIER NORTH, INC. - MI 348      
231-745 A Baldwin MI BLDWMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-745 0 Baldwin MI BLDWMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-745 1 Baldwin MI BLDWMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-745 2 Baldwin MI BLDWMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-745 3 Baldwin MI BLDWMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-745 4 Baldwin MI BLDWMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-745 5 Baldwin MI GDRPMIBL04Z  543C ONVOY, LLC - MI 348   2013-04-01   
231-745 6 Baldwin MI BLDWMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-745 7 Baldwin MI BLDWMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-745 8 Baldwin MI BLDWMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-745 9 Baldwin MI BLDWMIMNRSA  9323 AMERITECH MICHIGAN 348      
231-747 A Muskegon MI MSKGMIXKDS1  0695 FRONTIER NORTH, INC. - MI 348      
231-747 0 Muskegon MI GDRPMIBLCM5  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2015-10-30   
231-747 1 Muskegon MI MSKGMIXKDS1  0695 FRONTIER NORTH, INC. - MI 348      
231-747 2 Muskegon MI KNWDMIJDAMD  6664 SPRINT SPECTRUM L.P. 348   2004-08-13   
231-747 3 Muskegon MI KNWDMIJDAMD  6664 SPRINT SPECTRUM L.P. 348   2004-12-12   
231-747 4 Muskegon MI KNWDMIJDAMD  6664 SPRINT SPECTRUM L.P. 348   2004-12-12   
231-747 5 Muskegon MI KNWDMIJDAMD  6664 SPRINT SPECTRUM L.P. 348   2005-02-04   
231-747 6 Muskegon MI GDRPMIBL30Z  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 348   2008-03-18   
231-747 7 Muskegon MI GDRPMIBL30Z  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 348   2008-03-18   
231-747 8 Muskegon MI GDRPMIBL30Z  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 348   2008-03-18   
231-747 9 Muskegon MI GDRPMIBL30Z  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 348   2008-03-18   
231-750 A Muskegon MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-751 A Walloon Lake MI GDRPMIBL04Z  543C ONVOY, LLC - MI 348      
231-751 0 Walloon Lake MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-06-22   
231-751 1 Walloon Lake MI GDRPMIBL04Z  543C ONVOY, LLC - MI 348   2016-03-24   
231-751 2 Walloon Lake MI GDRPMIBL04Z  543C ONVOY, LLC - MI 348   2016-03-24   
231-751 3 Walloon Lake MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2018-11-18   
231-751 4 Walloon Lake MI   543C ONVOY, LLC - MI 348   2021-03-06   
231-751 5 Walloon Lake MI   543C ONVOY, LLC - MI 348   2021-03-06   
231-751 6 Walloon Lake MI TRCYMIMNWMD  7575 CENTURYLINK COMMUNICATIONS LLC 348   2015-09-19   
231-751 7 Walloon Lake MI GDRPMIBL04Z  543C ONVOY, LLC - MI 348   2014-11-05   
231-751 9 Walloon Lake MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-01-10   
231-753 A Petoskey MI GDRPMIBLY4X  0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348      
231-753 0 Petoskey MI TRCYMIMNWMD  7575 CENTURYLINK COMMUNICATIONS LLC 348   2015-09-18   
231-753 2 Petoskey MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2009-09-27   
231-753 3 Petoskey MI GDRQMIBODS0  7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 348   2005-09-03   
231-753 4 Petoskey MI GDRPMIBLY4X  0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348   2004-02-12   
231-753 5 Petoskey MI GDRPMIBLXMX  7421 AT&T LOCAL 348   2006-08-20   
231-753 6 Petoskey MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2010-02-25   
231-753 7 Petoskey MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2008-01-14   
231-753 8 Petoskey MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2009-03-07   
231-753 9 Petoskey MI KNWDMIJDAMD  6664 SPRINT SPECTRUM L.P. 348   2011-03-04   
231-754 A Mancelona MI GDRPMIIV1MD  2518 LUCRE, INC. 348      

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Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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