Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 304 [Rate centres in NPA 304] [Dial plan for NPA 304]

NXX: 728

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-728 A Charles Town WV CHTWWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 240      

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

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