Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 835

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-835 A Glen Lake MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-835 0 Glen Lake MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-835 1 Glen Lake MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2011-07-01   
231-835 2 Glen Lake MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2012-10-05   
231-835 3 Glen Lake MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2015-12-10   
231-835 4 Glen Lake MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-02-11   
231-835 5 Glen Lake MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2018-08-22   
231-835 6 Glen Lake MI   543C ONVOY, LLC - MI 348   2021-03-27   
231-835 7 Glen Lake MI   508J CENTURYLINK COMMUNICATIONS LLC 348   2015-07-30   
231-835 8 Glen Lake MI GDRPMIBL04Z  543C ONVOY, LLC - MI 348   2019-09-05   
231-835 9 Glen Lake MI   543C ONVOY, LLC - MI 348   2021-03-27   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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