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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
650-201 A   6529 T-MOBILE USA, INC. 722      
650-201 0 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-201 1   6529 T-MOBILE USA, INC. 722      
650-201 2 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-201 3   6529 T-MOBILE USA, INC. 722      
650-201 4   6529 T-MOBILE USA, INC. 722      
650-201 5   6529 T-MOBILE USA, INC. 722      
650-201 6   6529 T-MOBILE USA, INC. 722      
650-201 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-201 8   6529 T-MOBILE USA, INC. 722      
650-201 9   6529 T-MOBILE USA, INC. 722      
650-205 A SNFCCA21XUY  6630 USA MOBILITY WIRELESS, INC. 722      
650-219 A   6529 T-MOBILE USA, INC. 722      
650-219 0 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-219 1 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-219 2   6529 T-MOBILE USA, INC. 722      
650-219 3 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-219 4 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-219 5 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-219 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-219 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-219 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-219 9   6529 T-MOBILE USA, INC. 722      
650-221 A   0051 SHELCOMM 722   2024-11-03   
650-225 A SNBUCA02DS0  9740 PACIFIC BELL 722      
650-228 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-228 0 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-228 1 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-228 2 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-228 3 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-228 4 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-228 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-228 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-228 7 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-228 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-228 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-238 A HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-238 0 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-238 1 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-238 2 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-238 3 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-238 4 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-238 5 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-238 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-238 7 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-238 8 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-238 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
650-243 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-243 0 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
650-243 1 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-243 2 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-243 3 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-243 4 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-243 5 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-243 6 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-243 7 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-243 8 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-243 9 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-244 A SNBUCA02DS1  9740 PACIFIC BELL 722      
650-246 A SNBUCA02DS1  9740 PACIFIC BELL 722      
650-246 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-246 1 SNBUCA02DS1  9740 PACIFIC BELL 722      
650-246 2 SNBUCA02DS1  9740 PACIFIC BELL 722      
650-246 3 SNBUCA02DS1  9740 PACIFIC BELL 722      
650-246 4 SNBUCA02DS1  9740 PACIFIC BELL 722      
650-246 5 SNBUCA02DS1  9740 PACIFIC BELL 722      
650-246 6 SNBUCA02DS1  9740 PACIFIC BELL 722      
650-246 7 SNBUCA02DS1  9740 PACIFIC BELL 722      
650-246 8 SNBUCA02DS1  9740 PACIFIC BELL 722      
650-246 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-255 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-256 A SNFCCA21XUY  9748 AMERICAN MESSAGING SERVICES, LLC 722      
650-266 A SNBUCA02DS1  9740 PACIFIC BELL 722      
650-267 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-267 0 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-267 1 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-267 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-267 3 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-267 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-267 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-267 6 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-267 7 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-267 8 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-267 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-270 A   6529 T-MOBILE USA, INC. 722      
650-270 0 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-270 1   6529 T-MOBILE USA, INC. 722      
650-270 2 SNFCCAMK8MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
650-270 3 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-270 4   6529 T-MOBILE USA, INC. 722      
650-270 5   6529 T-MOBILE USA, INC. 722      
650-270 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-270 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-270 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-270 9   6529 T-MOBILE USA, INC. 722      
650-273 A SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-273 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-273 1 SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-273 2 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-273 3 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      

1 2 3 4 5 6 7 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.