Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Roscommon, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-275 A RSCMMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-281 A SGNWMIFAZMD  2550 123 NET, INC. 344      
989-281 0 SGNWMIFAZMD  2550 123 NET, INC. 344   2003-04-20   
989-281 1 OWTPMI021MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2007-03-18   
989-281 2 SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-11-28   
989-281 3 SGNWMIFAXUX  473D CMC TELECOM, INC. - MI 344   2008-02-25   
989-281 4 SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2017-05-26   
989-281 7 SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2013-04-05   
989-563 A SGNWMIACDS0  4632 TELNET WORLDWIDE, INC. 344      
989-783 A RSCMMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-783 0 RSCMMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344   2007-04-07   
989-783 2   543C ONVOY, LLC - MI 344   2021-02-04   
989-783 3 SGNWMIFAX5X  7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 344   2014-01-10   
989-783 4   543C ONVOY, LLC - MI 344   2021-02-04   
989-783 5   543C ONVOY, LLC - MI 344   2021-02-04   
989-783 6 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344   2020-09-28   
989-783 7 SGNWMIFAXCY  7575 CENTURYLINK COMMUNICATIONS LLC 344   2015-05-07   
989-783 9 SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2020-06-14   
989-808 A SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-808 0 SGNWMIFAXKX  543C ONVOY, LLC - MI 344   2020-06-14   
989-808 1 SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2008-08-18   
989-808 2 SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-02-14   
989-808 3 SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-07-11   
989-808 4 SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-11-01   
989-808 5 SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-808 8 SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2011-03-11   
989-808 9 SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2010-01-21   

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

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