Local Calling Guide

Area code/prefix search

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Harbor Beach, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-479 A HRBHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-479 0 HRBHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-479 1 SGNWMIFAXWY  624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-479 2 SGNWMIFAXNY  318J COMCAST IP PHONE, LLC 344   2010-11-30   
989-479 3 HRBHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-479 4 SGNWMIFAZMD  2550 123.NET, LLC 344   2008-04-28   
989-479 5 HRBHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-479 6 HRBHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-479 7 SGNWMIFAXJX  991E BANDWIDTH.COM CLEC, LLC - MI 344   2012-11-18   
989-479 8 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2017-10-26   
989-479 9 HRBHMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-712 A SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-712 0 SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-712 2 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2013-03-15   
989-712 3 SGNWMIFAXNX  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2016-04-15   
989-712 4 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2020-11-21   
989-712 5 SGNWMIFAXKX  543C ONVOY, LLCV - MI 344   2020-11-21   
989-712 8 SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-11-03   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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