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: 942

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-942 A Sierraville CA CHICCACW9MD  516J TON80 COMMUNICATIONS, LLC 724      
530-942 0 Sierraville CA CHICCACW2MD  939H COMMIO, LLC 724   2022-12-01   
530-942 1 Sierraville CA CHICCA01XFX  624H ONVOY SPECTRUM, LLC 724   2023-12-16   
530-942 6 Sierraville CA CHICCACW9MD  516J TON80 COMMUNICATIONS, LLC 724   2022-04-21   
530-942 9 Sierraville CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2022-06-19   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.