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: 855

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-855 A Chapmanville WV CHVLWVCLRS1  9214 FRONTIER WEST VIRGINIA INC. 254      

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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