Local Calling Guide

Area code/prefix search

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Shelby, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-259 A ANTSMIADPS0  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
231-259 0 ANTSMIADPS0  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-04-05   
231-259 1 GDRPMIBL04Z  543C ONVOY, LLC - MI 348   2016-02-24   
231-259 2 GDRPMIBLX8Z  2550 123 NET, INC. 348   2016-01-22   
231-259 3 GDRQMIBODS0  7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 348   2016-05-02   
231-259 4 GDRPMIBL04Z  543C ONVOY, LLC - MI 348   2016-02-24   
231-259 5 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2008-02-27   
231-259 6 GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2016-03-21   
231-259 7   508J CENTURYLINK COMMUNICATIONS LLC 348   2017-10-05   
231-259 8 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2019-09-05   
231-259 9 GDRPMIBL04Z  543C ONVOY, LLC - MI 348   2013-03-18   
231-731 A GDRPMIIV1MD  2518 LUCRE, INC. 348      
231-861 A SHLBMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-861 0 SHLBMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-861 1 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-07-17   
231-861 2 SHLBMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-861 3 SHLBMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-861 4 SHLBMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-861 5 SHLBMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-861 6 SHLBMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-861 7 SHLBMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-861 8 SHLBMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-861 9 GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-02-18   

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

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