Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 304 [Rate centres in NPA 304] [Dial plan for NPA 304]

NXX: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-742 A Craigsville WV CRVIWVCGRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-742 0 Craigsville WV CHTNWVCE8MD  545B CITYNET WEST VIRGINIA, LLC - WV 254   2004-07-30   
304-742 1 Craigsville WV CHTNWVLEXCZ  489F SHENTEL COMMUNICATIONS, LLC. - WV 254   2010-01-07   
304-742 2 Craigsville WV CHTNWVLEXBZ  449F ONVOY, LLC - WV 254   2018-11-05   
304-742 3 Craigsville WV CRVIWVCGRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-742 4 Craigsville WV CHTNWVLEX4Z  546B MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WV 254   2009-09-02   
304-742 5 Craigsville WV CRVIWVCGRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-742 6 Craigsville WV CRVIWVCGRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-742 7 Craigsville WV   5833 CORETEL WEST VIRGINIA, INC. - WV 254   2013-08-09   
304-742 8 Craigsville WV CRVIWVCGRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-742 9 Craigsville WV CHTNWVLEGMD  624H ONVOY SPECTRUM, LLC 254   2021-11-08   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.