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.

Upper Lake, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
707-275 A UPLKCA11RS0  9740 PACIFIC BELL 722      
707-275 0 UPLKCA11RS0  9740 PACIFIC BELL 722      
707-275 1 UPLKCA11RS0  9740 PACIFIC BELL 722      
707-275 2 UPLKCA11RS0  9740 PACIFIC BELL 722      
707-275 3 UPLKCA11RS0  9740 PACIFIC BELL 722      
707-275 4 SNFCCA01XGX  516C AT&T CORP. 722   2011-05-16   
707-275 5   515J IP HORIZON LLC 722   2003-10-13   
707-275 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2007-04-15   
707-275 8 UPLKCA11RS0  9740 PACIFIC BELL 722      
707-275 9 UPLKCA11RS0  9740 PACIFIC BELL 722      
707-276 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-276 0 SNFCCAMKX6Y  515J IP HORIZON LLC 722   2021-05-03   
707-276 1   145J TERRA NOVA TELECOM INC. 722   2021-09-28   
707-276 2 SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722   2021-09-08   
707-276 3 SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722   2023-06-24   
707-276 4   145J TERRA NOVA TELECOM INC. 722   2022-04-10   
707-276 5 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-16   
707-276 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-02-25   
707-276 7   145J TERRA NOVA TELECOM INC. 722   2021-01-08   
707-276 8 SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722   2022-11-03   
707-276 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-348 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-348 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-348 1 SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722   2020-10-01   
707-348 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-28   
707-348 3 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-03-12   
707-348 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-07-31   
707-348 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-11-05   
707-348 6 SNJUCACL3MD  073H TELNYX LLC 722   2017-08-04   
707-348 7 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
707-348 8 SNRSCA01LMD  857F MCC TELEPHONY OF THE WEST, LLC - CA 722   2010-09-03   
707-348 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-24   
707-883 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-883 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-07-29   
707-883 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-31   
707-883 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-09-28   
707-883 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2013-01-10   
707-883 4 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2013-08-03   
707-883 5   515J IP HORIZON LLC 722   2016-09-15   
707-883 6 FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
707-883 7 SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
707-883 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-01   
707-883 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.