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
628-255 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-04-09   
628-255 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-04-09   
628-255 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-04-09   
628-255 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-04-09   
628-255 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-04-09   
628-255 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-04-09   
628-255 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-04-09   
628-255 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-04-09   
628-260 A SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-260 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-03-05   
628-260 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-05-15   
628-260 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-07-29   
628-260 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2019-07-20   
628-260 4   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2018-03-29   
628-260 5   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2020-05-05   
628-260 6   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2019-05-25   
628-260 7   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2020-06-16   
628-260 8   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-11   
628-260 9   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2018-06-07   
628-263 A HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
628-263 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2018-08-31   
628-263 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2018-08-31   
628-263 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-08-27   
628-263 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-08-27   
628-263 4   6529 T-MOBILE USA, INC. 722   2018-10-16   
628-263 5   707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
628-263 6   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2018-06-14   
628-263 7   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2018-06-14   
628-263 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2018-07-17   
628-263 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2018-07-17   
628-264 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
628-264 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-04-01   
628-264 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-04-01   
628-264 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-05-01   
628-264 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-05-01   
628-264 4   6529 T-MOBILE USA, INC. 722   2019-02-15   
628-264 5   6529 T-MOBILE USA, INC. 722   2019-02-15   
628-264 6   6529 T-MOBILE USA, INC. 722   2019-02-15   
628-264 7   6529 T-MOBILE USA, INC. 722   2019-02-15   
628-264 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-06-01   
628-264 9   6529 T-MOBILE USA, INC. 722   2019-01-26   
628-267 A SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-267 0   433E SONIC TELECOM, LLC - CA 722   2020-07-23   
628-267 1   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2019-09-21   
628-267 2   649C ONVOY, LLC - CA 722   2020-08-17   
628-267 3   649C ONVOY, LLC - CA 722   2020-08-17   
628-267 4   649C ONVOY, LLC - CA 722   2020-08-17   
628-267 5   649C ONVOY, LLC - CA 722   2020-08-17   
628-267 6   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2020-05-17   
628-267 7   5562 METROPCS, INC. 722   2020-07-23   
628-267 8   5562 METROPCS, INC. 722   2020-07-23   
628-267 9   6529 T-MOBILE USA, INC. 722   2021-04-10   
628-268 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-268 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-07-30   
628-268 1   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2020-01-19   
628-268 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2019-10-17   
628-268 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2019-10-17   
628-268 4   6529 T-MOBILE USA, INC. 722   2019-10-18   
628-268 5   6529 T-MOBILE USA, INC. 722   2019-10-18   
628-268 6   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2019-10-18   
628-268 7   6529 T-MOBILE USA, INC. 722   2019-10-18   
628-268 8   6529 T-MOBILE USA, INC. 722   2019-10-18   
628-268 9   6529 T-MOBILE USA, INC. 722   2019-10-18   
628-271 A SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
628-271 0   624H ONVOY SPECTRUM, LLC 722   2020-01-16   
628-271 1   318J COMCAST IP PHONE, LLC 722   2020-03-19   
628-271 2   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2019-11-18   
628-271 3   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2019-11-18   
628-271 4   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2020-04-06   
628-271 5   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2020-04-06   
628-271 6   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2020-04-06   
628-271 7   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2020-04-06   
628-271 8   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2020-04-06   
628-271 9   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2020-04-06   
628-273 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-273 0   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-273 1   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-273 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-273 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-273 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-273 5   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-273 6   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-273 7   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-273 8   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-273 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-274 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-274 0   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-274 1   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-274 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-274 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-274 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-274 5   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-274 6   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-274 7   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-274 8   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-274 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-275 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-275 0   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-275 1   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   
628-275 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-05-25   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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