Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 419 [Rate centres in NPA 419] [Dial plan for NPA 419]

NXX: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
419-678 A Coldwater OH CDWROHXARS0  0615 FRONTIER NORTH, INC. - OH 326      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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