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.

Blairsden, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-316 A CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-316 0 CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2007-05-17   
530-316 1 CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724   2015-05-03   
530-316 2 CHICCA01XCX  649C ONVOY, LLC - CA 724   2016-03-05   
530-316 3 CHICCA01XCX  649C ONVOY, LLC - CA 724   2023-12-17   
530-316 4 CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724   2009-02-23   
530-316 5 CHICCA01XCX  649C ONVOY, LLC - CA 724   2017-04-28   
530-316 6 CHICCA01XCX  649C ONVOY, LLC - CA 724   2021-07-18   
530-316 7 CHICCACW2MD  939H COMMIO, LLC 724   2024-01-21   
530-316 8 CHICCA01XCX  649C ONVOY, LLC - CA 724   2021-08-09   
530-316 9 CHICCA01XCX  649C ONVOY, LLC - CA 724   2022-02-24   
530-480 A CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-480 0 CHICCA01XFX  624H ONVOY SPECTRUM, LLC 724   2024-02-19   
530-480 2   515J IP HORIZON LLC 724   2003-10-13   
530-480 3 CHICCA01XCX  649C ONVOY, LLC - CA 724   2023-07-23   
530-480 4 CHICCACW2MD  939H COMMIO, LLC 724   2023-08-19   
530-480 5 CHICCACW2MD  939H COMMIO, LLC 724   2023-08-19   
530-480 6 CHICCACW2MD  939H COMMIO, LLC 724   2023-08-19   
530-480 7 CHICCA01XCX  649C ONVOY, LLC - CA 724   2019-03-11   
530-480 8 CHICCA01XCX  649C ONVOY, LLC - CA 724   2019-03-11   
530-480 9 CHICCA01XCX  649C ONVOY, LLC - CA 724   2022-06-10   
530-836 A BLRSCA12RS1  9740 PACIFIC BELL 724      
530-836 0 BLRSCA12RS1  9740 PACIFIC BELL 724      
530-836 1 BLRSCA12RS1  9740 PACIFIC BELL 724      
530-836 2 BLRSCA12RS1  9740 PACIFIC BELL 724      
530-836 3 CHICCACW1MD  073H TELNYX LLC 724   2018-06-27   
530-836 4 BLRSCA12RS1  9740 PACIFIC BELL 724      
530-836 5 CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2005-07-26   
530-836 6 CHICCACW2MD  939H COMMIO, LLC 724   2023-08-19   
530-836 7 BLRSCA12RS1  9740 PACIFIC BELL 724      
530-836 8 CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724   2005-09-18   
530-836 9 CHICCACW2MD  939H COMMIO, LLC 724   2023-08-19   
530-984 A CHICCA78AMD  516C AT&T CORP. 724   2025-01-08   
530-984 7 CHICCA78AMD  516C AT&T CORP. 724   2025-01-08   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.