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.

Clearlake Oaks, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
369-204 A SNJUCACL4MD  939H COMMIO, LLC 722      
369-204 0 SNJUCACL4MD  939H COMMIO, LLC 722      
369-204 1 SNJUCACL4MD  939H COMMIO, LLC 722      
369-204 2 SNJUCACL4MD  939H COMMIO, LLC 722      
369-204 3 SNJUCACL4MD  939H COMMIO, LLC 722      
369-204 4 SNJUCACL4MD  939H COMMIO, LLC 722      
707-352 A SNFCCA21XUY  9748 AMERICAN MESSAGING SERVICES, LLC 722      
707-549 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-549 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-549 1 SNJUCACL3MD  073H TELNYX LLC 722      
707-549 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-549 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-549 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-549 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-549 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-549 7   515J IP HORIZON LLC 722      
707-549 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-549 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-560 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-560 0 SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722      
707-560 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-560 2 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-560 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-560 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-560 5   593K MCC TELEPHONY LLC 722      
707-560 6 SNFCCA01XGX  516C AT&T CORP. 722      
707-560 7 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-560 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-560 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
707-831 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-831 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-831 1 SNFCCAMKX6Y  515J IP HORIZON LLC 722      
707-831 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-831 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-831 5 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
707-831 6 SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722      
707-831 7 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
707-831 8 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
707-831 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
707-998 A CLOKCA11RS0  9740 PACIFIC BELL 722      
707-998 0 CLOKCA11RS0  9740 PACIFIC BELL 722      
707-998 1 CLOKCA11RS0  9740 PACIFIC BELL 722      
707-998 2 CLOKCA11RS0  9740 PACIFIC BELL 722      
707-998 3 CLOKCA11RS0  9740 PACIFIC BELL 722      
707-998 4 CLOKCA11RS0  9740 PACIFIC BELL 722      
707-998 5 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-998 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-998 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-998 9 CLOKCA11RS0  9740 PACIFIC BELL 722      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.