Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-278 A Coldwater MI CDWRMIXGDS0  0695 FRONTIER NORTH, INC. - MI 348      

Last updated: Sun, 18 Aug 2024 23:40:19 UTC

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