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: 774

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-774 A Helen WV MLNSWVGYRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-774 0 Helen WV   9214 FRONTIER WEST VIRGINIA INC. 254      
304-774 1 Helen WV   545B CITYNET WEST VIRGINIA, LLC - WV 254   2004-07-30   
304-774 2 Helen WV   449F ONVOY, LLC - WV 254   2019-05-12   
304-774 3 Helen WV   489F SHENTEL COMMUNICATIONS, LLC. - WV 254   2011-01-02   
304-774 4 Helen WV   080F BANDWIDTH.COM CLEC, LLC - WV 254   2012-02-06   
304-774 5 Helen WV   080F BANDWIDTH.COM CLEC, LLC - WV 254   2015-02-13   
304-774 6 Helen WV   080F BANDWIDTH.COM CLEC, LLC - WV 254   2018-06-02   
304-774 7 Helen WV   624H ONVOY SPECTRUM, LLC 254   2021-05-31   
304-774 9 Helen WV   5833 CORETEL WEST VIRGINIA, INC. - WV 254   2019-04-24   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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