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: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 259

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-259 A Chester CA LKARCAABRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 0 Chester CA LKARCAABRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 2 Chester CA LKARCAABRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 3 Chester CA LKARCAABRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 4 Chester CA LKARCAABRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 5 Chester CA LKARCAABRS0  2308 CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 724      
530-259 8 Chester CA CHICCA01XQX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 724   2021-05-03   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.