Local Calling Guide

Area code/prefix search

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Switch: TNLKMIXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
231-828 A Twin Lake MI 0695 FRONTIER NORTH, INC. - MI 348      
231-828 4 Twin Lake MI 0695 FRONTIER NORTH, INC. - MI 348      
231-828 5 Twin Lake MI 0695 FRONTIER NORTH, INC. - MI 348      
231-828 6 Twin Lake MI 0695 FRONTIER NORTH, INC. - MI 348      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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