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: 586

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-586 A Winfield WV WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 0 Winfield WV WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 1 Winfield WV WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 2 Winfield WV WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 3 Winfield WV WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 4 Winfield WV WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 5 Winfield WV WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 6 Winfield WV HNTNWVDT0MD  9944 LEVEL 3 COMMUNICATIONS, LLC - WV 254   2004-11-18   
304-586 7 Winfield WV CHTNWVCE8MD  545B CITYNET WEST VIRGINIA, LLC - WV 254   2004-04-05   
304-586 8 Winfield WV CHTNWVJADS0  4095 FIBERNET, LLC - WV 254   2008-11-09   
304-586 9 Winfield WV WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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