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: 823

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-823 A Belington WV BLTNWVBBRS1  9214 FRONTIER WEST VIRGINIA INC. 256      
304-823 0 Belington WV   545B CITYNET WEST VIRGINIA, LLC - WV 256   2004-07-30   
304-823 1 Belington WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-823 2 Belington WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-823 3 Belington WV   9214 FRONTIER WEST VIRGINIA INC. 256      
304-823 4 Belington WV   449F ONVOY, LLC - WV 256   2019-02-08   
304-823 5 Belington WV   449F ONVOY, LLC - WV 256   2021-07-26   
304-823 6 Belington WV   449F ONVOY, LLC - WV 256   2020-12-04   
304-823 7 Belington WV   449F ONVOY, LLC - WV 256   2020-12-04   
304-823 8 Belington WV   5833 CORETEL WEST VIRGINIA, INC. - WV 256   2013-08-09   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.