Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CDWLMIXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-238 A Coldwater Lake MI 0695 FRONTIER NORTH, INC. - MI 348      
517-238 2 Coldwater Lake MI 0695 FRONTIER NORTH, INC. - MI 348      
517-238 4 Coldwater Lake MI 0695 FRONTIER NORTH, INC. - MI 348      
517-238 5 Coldwater Lake MI 0695 FRONTIER NORTH, INC. - MI 348      
517-238 8 Coldwater Lake MI 0695 FRONTIER NORTH, INC. - MI 348      
517-238 9 Coldwater Lake MI 0695 FRONTIER NORTH, INC. - MI 348      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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