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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
628-255 8 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-04-09   
628-255 9 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-04-09   
628-256 5 San Francisco: Montrose-Evergreen DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-02-16   
628-256 8 San Francisco: Montrose-Evergreen DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-12-20   
628-260 0 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-03-05   
628-260 1 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-05-15   
628-260 2 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-07-29   
628-261 9 Sausalito CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-05-24   
628-264 0 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-04-01   
628-264 1 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-04-01   
628-264 2 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-05-01   
628-264 3 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-05-01   
628-264 8 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-06-01   
628-268 0 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-07-30   
628-269 6 San Rafael CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2020-04-05   
628-269 8 San Rafael CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2020-06-29   
628-278 0 San Francisco: Montrose-Evergreen DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-04-02   
628-278 1 San Francisco: Montrose-Evergreen DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-06-06   
628-278 2 San Francisco: Montrose-Evergreen DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-08-08   
628-282 0 San Francisco: Juniper DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-02-28   
628-282 1 San Francisco: Juniper DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-02-28   
628-282 3 San Francisco: Juniper DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-08-08   
628-282 6 San Francisco: Juniper DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-09-10   
628-282 7 San Francisco: Juniper DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-03-13   
628-283 2 San Francisco: Montrose-Evergreen DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-10-21   
628-283 4 San Francisco: Montrose-Evergreen DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-11-21   
628-284 3 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-10-21   
628-284 4 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-10-21   
628-284 5 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-11-21   
628-284 6 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-11-21   
628-290 1 San Francisco: Juniper DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-08-15   
628-295 9 San Rafael CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-04-17   
628-297 0 San Francisco: Montrose-Evergreen DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-04-26   
628-297 1 San Francisco: Montrose-Evergreen DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-08-02   
628-299 0 San Francisco: Juniper DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-11-21   
628-301 1 Novato CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-06-17   
628-301 2 Novato CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-10-16   
628-304 1 San Francisco: Juniper DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-10-16   
628-305 6 San Rafael CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-09-14   
628-305 7 San Rafael CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-10-16   
628-305 8 San Rafael CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-10-16   
628-312 0 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-11-03   
628-312 1 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-11-03   
628-313 0 San Rafael CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-07-28   
628-313 6 San Rafael CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-08-18   
628-333 0 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-03-24   
628-333 1 San Francisco: Central DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-03-24   
628-336 0 San Rafael CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-06-17   
628-338 0 San Francisco: Montrose-Evergreen DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2023-12-25   
628-363 A San Francisco: Juniper DA CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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