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: 474

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-474 A Rockport WV RCPTWVXA0MD  0267 ARMSTRONG TEL. CO. 254      

Last updated: Tue, 30 May 2023 01:08:39 UTC

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