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: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-587 A Clay WV CLAYWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 254      
304-587 0 Clay WV CLAYWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 254      
304-587 1 Clay WV CHTNWVLEGMD  624H ONVOY SPECTRUM, LLC 254   2021-11-08   
304-587 2 Clay WV CLAYWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 254      
304-587 3 Clay WV CHTNWVLE7MD  391E CEBRIDGE TELECOM WV, LLC DBA SUDDENLINK COMMS - WV 254   2014-02-15   
304-587 4 Clay WV CLAYWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 254      
304-587 5 Clay WV   6529 T-MOBILE USA, INC. 254   2019-01-06   
304-587 6 Clay WV CLAYWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 254      
304-587 7 Clay WV CLAYWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 254      
304-587 8 Clay WV CLAYWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 254      
304-587 9 Clay WV CLAYWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 254      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.