Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-243 A SGNWMIACDS1  4632 TELNET WORLDWIDE, INC. 344      
989-250 A SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-250 0   543C ONVOY, LLCV - MI 344   2021-02-04   
989-250 1   543C ONVOY, LLCV - MI 344   2021-02-04   
989-250 2   543C ONVOY, LLCV - MI 344   2020-05-10   
989-250 3   543C ONVOY, LLCV - MI 344   2020-05-10   
989-250 4   543C ONVOY, LLCV - MI 344   2020-05-10   
989-250 5   543C ONVOY, LLCV - MI 344   2020-05-10   
989-250 6   508J CENTURYLINK COMMUNICATIONS LLC 344   2016-02-25   
989-250 7   543C ONVOY, LLCV - MI 344   2014-11-05   
989-250 8   543C ONVOY, LLCV - MI 344   2021-02-04   
989-250 9   543C ONVOY, LLCV - MI 344   2021-02-04   
989-376 A SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2021-08-26   
989-376 0   991E BANDWIDTH.COM CLEC, LLC - MI 344   2021-08-27   
989-376 1   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2022-06-19   
989-376 6   543C ONVOY, LLCV - MI 344   2021-08-26   
989-785 A ATLNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-785 0   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2004-11-14   
989-785 1   2550 123.NET, INC. 344   2013-03-09   
989-785 2   0695 FRONTIER NORTH, INC. - MI 344      
989-785 3   0695 FRONTIER NORTH, INC. - MI 344      
989-785 4   0695 FRONTIER NORTH, INC. - MI 344      
989-785 5   0695 FRONTIER NORTH, INC. - MI 344      
989-785 6   0695 FRONTIER NORTH, INC. - MI 344      
989-785 7   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 344   2010-09-01   
989-785 8   0695 FRONTIER NORTH, INC. - MI 344      
989-785 9   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2007-05-02   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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