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: 915

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-915 A Paradise CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2024-08-26   
530-915 0 Paradise CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2024-08-26   
530-915 1 Paradise CA CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724   2026-05-03   
530-915 9 Paradise CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2026-07-27   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.