Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-344 A Grayling MI 0695 FRONTIER NORTH, INC. - MI 344      
989-348 A Grayling MI 0695 FRONTIER NORTH, INC. - MI 344      
989-745 A Grayling MI 0695 FRONTIER NORTH, INC. - MI 344      
989-745 0 Grayling MI 0695 FRONTIER NORTH, INC. - MI 344   2007-04-07   

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

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