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: 583

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-583 A Man WV MAN WVJURS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-583 0 Man WV MAN WVJURS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-583 1 Man WV   612K CSC VOICE, LLC 254   2012-04-01   
304-583 2 Man WV MAN WVJURS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-583 3 Man WV CHTNWVCE8MD  545B CITYNET WEST VIRGINIA, LLC - WV 254   2004-07-30   
304-583 4 Man WV   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 254   2010-09-01   
304-583 5 Man WV   612K CSC VOICE, LLC 254   2007-01-26   
304-583 6 Man WV MAN WVJURS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-583 7 Man WV MAN WVJURS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-583 8 Man WV MAN WVJURS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-583 9 Man WV MAN WVJURS1  9214 FRONTIER WEST VIRGINIA INC. 254      

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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