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: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-323 A Bluefield WV BLFDWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      
304-323 0 Bluefield WV BLFDWVXAX5X  9944 LEVEL 3 COMMUNICATIONS, LLC - WV 932      
304-323 1 Bluefield WV BLFDWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      
304-323 2 Bluefield WV BLFDWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      
304-323 3 Bluefield WV BLFDWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      
304-323 4 Bluefield WV BLFDWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      
304-323 5 Bluefield WV BLFDWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      
304-323 6 Bluefield WV BLFDWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      
304-323 7 Bluefield WV BLFDWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      
304-323 8 Bluefield WV BLFDWVXAX9X  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 932      
304-323 9 Bluefield WV BLFDWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 932      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.