Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2021-04-19   
989-471 1   792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-471 2   0695 FRONTIER NORTH, INC. - MI 344      
989-471 3   0695 FRONTIER NORTH, INC. - MI 344      
989-471 5   0695 FRONTIER NORTH, INC. - MI 344      
989-471 7   508J CENTURYLINK COMMUNICATIONS, LLC 344   2015-05-08   
989-471 8   0695 FRONTIER NORTH, INC. - MI 344      
989-471 9   145J TERRA NOVA TELECOM INC. 344   2025-06-06   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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