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.

Shasta Lake, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-238 A SHLKCA01RS1  9740 PACIFIC BELL 724      
530-238 0 RDNGCAAMCM0  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-238 1 SHLKCA01RS1  9740 PACIFIC BELL 724      
530-238 2 SHLKCA01RS1  9740 PACIFIC BELL 724      
530-238 3 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-238 4 RDNGCA025MD  9262 UTILITY TELECOM GROUP, LLC - CA 724      
530-238 5 CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-238 6 CHICCACW1MD  073H TELNYX LLC 724      
530-238 7 RDNGCAAMCM0  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-238 8 SHLKCA01RS1  9740 PACIFIC BELL 724      
530-238 9 SHLKCA01RS1  9740 PACIFIC BELL 724      
530-688 A CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-688 0 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-688 2 CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-688 3 RDNGCA025MD  9262 UTILITY TELECOM GROUP, LLC - CA 724      
530-688 5 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-688 6 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-688 8 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-688 9 CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-962 A   515J IP HORIZON LLC 724      
530-962 0 CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-962 1   515J IP HORIZON LLC 724      
530-962 2   515J IP HORIZON LLC 724      
530-962 3 CHICCA78AMD  516C AT&T CORP. 724      
530-962 4   515J IP HORIZON LLC 724      
530-962 5 CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-962 6 CHICCA01XQX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 724      
530-962 8 RDNGCAAMCM0  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-962 9 CHICCA01XCX  649C ONVOY, LLC - CA 724      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.