Local Calling Guide

Area code/prefix search

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Ossineke, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-471 A OSNKMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-471 0 SGNWMIFAXNX  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2021-04-19   
989-471 1 OWTPMI023MD  792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-471 2 OSNKMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-471 3 OSNKMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-471 5 OSNKMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-471 6 SGNWMIACCMD  145J TERRA NOVA TELECOM INC. 344   2026-03-15   
989-471 7 SGNWMIFAXCY  508J CENTURYLINK COMMUNICATIONS, LLC 344   2015-05-08   
989-471 8 OSNKMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-471 9   145J TERRA NOVA TELECOM INC. 344   2025-06-06   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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