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.

Felton, CA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
831-216 A SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-216 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-01-07   
831-216 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-17   
831-216 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2006-01-08   
831-216 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-04-10   
831-216 5 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-19   
831-216 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-03-04   
831-216 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-18   
831-216 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-19   
831-216 9 SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-222 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
831-222 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-04-01   
831-222 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-10-10   
831-222 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-03-22   
831-222 3 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-20   
831-222 4 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-06-14   
831-222 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-06-03   
831-222 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-07-22   
831-222 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-31   
831-222 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-31   
831-222 9 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
831-268 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
831-268 0   515J IP HORIZON LLC 722   2016-09-15   
831-268 1 SNJUCACL3MD  073H TELNYX LLC 722   2017-07-20   
831-268 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-02-21   
831-268 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-14   
831-268 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-14   
831-268 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-14   
831-268 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-14   
831-268 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-02-21   
831-268 8 SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722   2020-10-01   
831-335 A FETNCA11RS1  9740 PACIFIC BELL 722      
831-508 A SNFCCAMMDSA  4129 O1 COMMUNICATIONS, INC. - CA 722      
831-508 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-03-28   
831-508 1   515J IP HORIZON LLC 722      
831-508 2   515J IP HORIZON LLC 722      
831-508 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2013-03-16   
831-508 4   515J IP HORIZON LLC 722      
831-508 5 SNFCCA01XGX  516C AT&T CORP. 722   2011-09-26   
831-508 6 SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-06-09   
831-508 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-03-22   
831-508 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-23   
831-508 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-23   
831-534 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
831-534 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-24   
831-534 1 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
831-534 2 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-06-01   
831-534 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-24   
831-534 4 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-01-04   
831-534 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-01-04   

1 2 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.