Local Calling Guide

Area code/prefix search

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Clam River, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-377 A CLRVMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-377 0 GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2004-10-22   
231-377 1 GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2008-12-23   
231-377 2 ANTSMIADPS0  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
231-377 3 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2015-11-05   
231-377 4 CLRVMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-377 5 TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS LLC 348   2015-09-16   
231-377 6 CLRVMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-377 7 CLRVMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-377 8 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-04-01   
231-377 9 CLRVMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-431 A GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-07-23   
231-431 0 GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2021-08-23   
231-431 2 GDRPMIBL41Z  506J TWILIO INTERNATIONAL INC 348   2021-07-26   
231-431 3 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-07-24   
231-431 4   543C ONVOY, LLCV - MI 348   2022-03-04   
231-431 5 GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-09-10   
231-431 7 BRSPMI097MD  516J TON80 COMMUNICATIONS LLC 348   2021-11-06   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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