Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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San Francisco: Central DA, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
628-328 3   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-05-05   
628-328 4   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-05-05   
628-328 5   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-03-27   
628-328 6   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-03-27   
628-328 7   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-03-27   
628-328 8   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-03-27   
628-328 9   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-03-27   
628-333 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-333 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-03-24   
628-333 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-03-24   
628-333 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-333 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-03-21   
628-333 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-333 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-333 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-03-24   
628-333 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-03-24   
628-333 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-10-15   
628-333 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-335 A   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-06-02   
628-335 0   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-06-02   
628-335 1   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-06-02   
628-335 2   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-06-02   
628-335 3   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-06-02   
628-335 4   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-06-02   
628-335 5   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-06-02   
628-335 6   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-06-02   
628-335 7   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-06-02   
628-335 8   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-06-02   
628-335 9   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-06-02   
628-358 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
628-358 0 SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2021-12-12   
628-358 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-358 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-358 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-358 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-358 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-358 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-358 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-358 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-358 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2023-01-16   
628-400 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-400 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-03-21   
628-400 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-400 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-400 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-400 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-400 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-400 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-400 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-400 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-400 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-03-24   
628-444 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-444 0 OKLECAZV1MD  5562 METROPCS, INC. 722   2015-03-27   
628-444 1 OKLECAZV1MD  5562 METROPCS, INC. 722   2015-03-27   
628-444 2 OKLECAZV1MD  5562 METROPCS, INC. 722   2015-03-27   
628-444 3 SNFCCA01XGX  516C AT&T CORP. 722   2015-03-24   
628-444 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-03-21   
628-444 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2015-03-24   
628-444 6 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2015-03-24   
628-444 7 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-04-27   
628-444 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-03-24   
628-444 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-03-24   
628-466 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-466 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-08-09   
628-466 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-08-09   
628-466 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-08-09   
628-466 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-08-09   
628-466 4 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-10-17   
628-466 5 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-10-17   
628-466 6   965H FRACTEL, LLC 722   2021-08-02   
628-466 7 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-10-17   
628-466 8   6529 T-MOBILE USA, INC. 722   2025-12-10   
628-466 9 SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722   2021-05-28   
628-468 A SNFCCAMKX8Y  622J SKYE TELECOM LLC DBA SKYETEL 722      
628-468 0 SNFCCAMKX8Y  622J SKYE TELECOM LLC DBA SKYETEL 722   2021-07-25   
628-468 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-468 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-468 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-468 4 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-10-17   
628-468 5 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-10-17   
628-468 6 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-10-21   
628-468 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-468 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-468 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-12-05   
628-488 A SNJUCACL7MD  965H FRACTEL, LLC 722      
628-488 0 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-08-08   
628-488 1 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-08-08   
628-488 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-08-08   
628-488 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-08-08   
628-488 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-08-08   
628-488 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-08-08   
628-488 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-08-08   
628-488 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-08-08   
628-488 8 SNJUCACL7MD  965H FRACTEL, LLC 722   2022-04-23   
628-488 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-08-12   
628-502 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-502 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-12-24   
628-502 1   829J PAETEC ITEL, LLC 722   2018-08-27   
628-502 2   829J PAETEC ITEL, LLC 722   2018-08-27   
628-502 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2018-10-13   

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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