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: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-307 A Madison WV CHTNWVJADS0  4095 FIBERNET, LLC - WV 254      
304-307 0 Madison WV   545B CITYNET WEST VIRGINIA, LLC - WV 254   2004-07-30   
304-307 1 Madison WV   5833 CORETEL WEST VIRGINIA, INC. - WV 254   2013-08-09   
304-307 2 Madison WV   391E CEBRIDGE TELECOM WV, LLC DBA SUDDENLINK COMMS - WV 254   2014-02-16   
304-307 3 Madison WV   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 254   2010-01-04   
304-307 4 Madison WV   391E CEBRIDGE TELECOM WV, LLC DBA SUDDENLINK COMMS - WV 254   2007-01-26   
304-307 5 Madison WV   423C ARMSTRONG TELECOMMUNICATIONS, INC. - WV 254   2012-08-03   
304-307 6 Madison WV   4095 FIBERNET, LLC - WV 254   2004-05-07   
304-307 7 Madison WV   9944 LEVEL 3 COMMUNICATIONS, LLC - WV 254   2015-10-02   
304-307 8 Madison WV   489F SHENTEL COMMUNICATIONS, LLC. - WV 254   2015-10-26   
304-307 9 Madison WV   321J HD CARRIER LLC 254   2020-11-01   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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