Local Calling Guide

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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 828

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-828 A Twin Lake MI TNLKMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-828 0 Twin Lake MI ANTSMIADPS0  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
231-828 1 Twin Lake MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2014-10-28   
231-828 2 Twin Lake MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-11-13   
231-828 3 Twin Lake MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-02-18   
231-828 4 Twin Lake MI TNLKMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-828 5 Twin Lake MI TNLKMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-828 6 Twin Lake MI TNLKMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-828 7 Twin Lake MI GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348   2007-06-08   
231-828 8 Twin Lake MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2006-01-27   
231-828 9 Twin Lake MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-03-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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