Local Calling Guide

Area code/prefix search

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Sheridan, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-291 A SHRDMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-291 0 SHRDMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-291 2 SGNWMIFAZMD  2550 123 NET, INC. 344   2005-09-03   
989-291 3 SHRDMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-291 4 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-05-31   
989-291 5 SHRDMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-291 6 OWTPMI020MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2007-03-18   
989-291 7 SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-09-26   
989-291 8 OWSOMIXH7MD  691A DAYSTARR, LLC DBA DAYSTARR COMMUNICATIONS - MI 344   2014-07-12   
989-613 A SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-613 0 SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-613 3 SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2020-11-27   
989-613 4 SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2020-11-27   
989-613 6 SGNWMIFAXCY  7575 CENTURYLINK COMMUNICATIONS LLC 344   2015-05-08   
989-613 7 SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2013-04-05   
989-613 9 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344   2020-05-10   

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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