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: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-576 A Los Molinos CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-576 0 Los Molinos CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-576 1 Los Molinos CA   515J IP HORIZON LLC 724      
530-576 2 Los Molinos CA   515J IP HORIZON LLC 724      
530-576 3 Los Molinos CA CHICCA78AMD  516C AT&T CORP. 724      
530-576 4 Los Molinos CA CHICCA01XFX  624H ONVOY SPECTRUM, LLC 724      
530-576 5 Los Molinos CA CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-576 6 Los Molinos CA CHICCACW2MD  939H COMMIO, LLC 724      
530-576 7 Los Molinos CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-576 8 Los Molinos CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-576 9 Los Molinos CA CHICCA01XCX  649C ONVOY, LLC - CA 724      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.