Local Calling Guide

Area code/prefix search

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South San Francisco, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
650-878 2 COLACA01DS0  9740 PACIFIC BELL 722      
650-878 3 COLACA01DS0  9740 PACIFIC BELL 722      
650-878 4 COLACA01DS0  9740 PACIFIC BELL 722      
650-878 5 COLACA01DS0  9740 PACIFIC BELL 722      
650-878 6 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-11-04   
650-878 7 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-10-27   
650-878 8 COLACA01DS0  9740 PACIFIC BELL 722      
650-878 9 COLACA01DS0  9740 PACIFIC BELL 722      
650-892 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-910 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-910 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-06-25   
650-910 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-08-13   
650-910 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-08-13   
650-910 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-08-13   
650-910 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-08-13   
650-910 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-02   
650-910 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-02   
650-910 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-02   
650-910 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-02   
650-910 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2021-06-26   
650-922 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-922 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-922 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-922 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-922 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-922 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-922 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-922 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-922 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-922 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-922 9 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-11-02   
650-952 A SNBUCA02DS1  9740 PACIFIC BELL 722      
650-989 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-989 0 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-989 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-06-23   
650-989 2 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-989 3 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-989 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-989 5 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-06-23   
650-989 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-989 7 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-989 8 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2007-02-09   
650-989 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-07-30   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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