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.

Hornbrook, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-475 A HRBKCA11RS0  9740 PACIFIC BELL 724      
530-475 0 HRBKCA11RS0  9740 PACIFIC BELL 724      
530-475 1 HRBKCA11RS0  9740 PACIFIC BELL 724      
530-475 2 CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-475 3 HRBKCA11RS0  9740 PACIFIC BELL 724      
530-475 4 CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-475 5   515J IP HORIZON LLC 724      
530-475 6 CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-475 7   145J TERRA NOVA TELECOM INC. 724      
530-475 8 CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-475 9 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-729 A CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-729 0 CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-729 1 CHICCACW1MD  073H TELNYX LLC 724      
530-729 2 CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-729 3 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-729 4 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-729 5 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-729 6 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-729 7 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-729 8   516C AT&T CORP. 724      
530-729 9 CHICCACW2MD  939H COMMIO, LLC 724      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.