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.

South San Francisco, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
650-708 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-708 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-06   
650-708 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-06   
650-708 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-06   
650-708 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-06   
650-708 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-06   
650-708 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-06   
650-708 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-06   
650-708 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-06   
650-708 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-06   
650-708 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-06   
650-737 A SNBUCA02DS0  9740 PACIFIC BELL 722      
650-737 0 SNBUCA02DS0  9740 PACIFIC BELL 722      
650-737 1 SNBUCA02DS0  9740 PACIFIC BELL 722      
650-737 2 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-07-23   
650-737 3 SNBUCA02DS0  9740 PACIFIC BELL 722      
650-737 4 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-11-16   
650-737 5 SNBUCA02DS0  9740 PACIFIC BELL 722      
650-737 6 SNBUCA02DS0  9740 PACIFIC BELL 722      
650-737 7 SNBUCA02DS0  9740 PACIFIC BELL 722      
650-737 8 SNBUCA02DS0  9740 PACIFIC BELL 722      
650-737 9 SNBUCA02DS0  9740 PACIFIC BELL 722      
650-741 A SNBUCA02DS0  9740 PACIFIC BELL 722      
650-741 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-26   
650-741 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-07-02   
650-741 2 SNBUCA02DS0  9740 PACIFIC BELL 722      
650-741 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
650-741 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
650-741 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
650-741 6 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2010-09-17   
650-741 7 OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722   2009-11-02   
650-741 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2010-02-19   
650-741 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-11-22   
650-742 A SNBUCA02DS0  9740 PACIFIC BELL 722      
650-745 A SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-745 0 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-745 1 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-745 2 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-745 3 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-745 4 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-745 5 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2007-12-03   
650-745 6 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2007-12-03   
650-745 7 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-745 8 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
650-745 9 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-754 A COLACA01DS0  9740 PACIFIC BELL 722      
650-754 0 COLACA01DS0  9740 PACIFIC BELL 722      
650-754 1 COLACA01DS0  9740 PACIFIC BELL 722      
650-754 2 SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2011-09-12   
650-754 3 OKLECAZVGT0  5562 METROPCS, INC. 722   2008-12-13   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.