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: 585

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-585 A Kimball WV KMBLWVXARS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      
304-585 0 Kimball WV   6529 T-MOBILE USA, INC. 932   2018-08-25   
304-585 1 Kimball WV BLFDWVXAXZX  489F SHENTEL COMMUNICATIONS, LLC. - WV 932   2012-08-19   
304-585 2 Kimball WV BLFDWVXA7MD  073H TELNYX LLC 932   2021-03-05   
304-585 3 Kimball WV   6529 T-MOBILE USA, INC. 932   2024-04-05   
304-585 7 Kimball WV KMBLWVXARS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      
304-585 8 Kimball WV BLFDWVXAXYX  449F ONVOY, LLC - WV 932   2021-03-05   
304-585 9 Kimball WV KMBLWVXARS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.