Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
628-338 8 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722   2024-01-27   
628-338 9 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722   2024-01-27   
628-388 1 Inverness CA 939H COMMIO, LLC 722   2022-10-09   
628-667 0 San Rafael CA 939H COMMIO, LLC 722   2021-10-14   
628-667 1 San Rafael CA 939H COMMIO, LLC 722   2021-10-14   
628-677 9 Mill Valley CA 939H COMMIO, LLC 722   2022-11-10   
628-682 1 Novato CA 939H COMMIO, LLC 722   2022-11-10   
628-732 4 San Francisco: Juniper DA CA 939H COMMIO, LLC 722   2021-06-20   
628-732 7 San Francisco: Juniper DA CA 939H COMMIO, LLC 722   2021-06-20   
628-732 8 San Francisco: Juniper DA CA 939H COMMIO, LLC 722   2021-06-20   
628-732 9 San Francisco: Juniper DA CA 939H COMMIO, LLC 722   2021-06-20   
628-788 0 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722   2021-08-31   
628-788 1 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722   2021-08-31   
628-788 3 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722   2021-08-31   
628-788 4 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722   2021-08-31   
628-867 A San Francisco: Central DA CA 939H COMMIO, LLC 722      
628-867 5 San Francisco: Central DA CA 939H COMMIO, LLC 722   2017-05-15   
650-247 A Woodside CA 939H COMMIO, LLC 722   2024-03-03   
650-247 0 Woodside CA 939H COMMIO, LLC 722   2024-03-03   
650-247 1 Woodside CA 939H COMMIO, LLC 722   2024-03-03   
650-262 8 Pescadero CA 939H COMMIO, LLC 722   2022-11-10   
650-442 9 South San Francisco CA 939H COMMIO, LLC 722   2022-11-27   
650-507 2 Palo Alto CA 939H COMMIO, LLC 722   2022-07-16   
650-563 0 Moss Beach CA 939H COMMIO, LLC 722   2022-07-16   
650-748 9 La Honda CA 939H COMMIO, LLC 722   2022-07-16   
650-751 2 Woodside CA 939H COMMIO, LLC 722   2023-08-20   
650-751 3 Woodside CA 939H COMMIO, LLC 722   2023-08-20   
650-751 4 Woodside CA 939H COMMIO, LLC 722   2023-08-20   
650-751 5 Woodside CA 939H COMMIO, LLC 722   2023-08-20   
650-751 8 Woodside CA 939H COMMIO, LLC 722   2023-08-20   
650-844 9 San Mateo CA 939H COMMIO, LLC 722   2021-09-16   
650-912 A Half Moon Bay CA 939H COMMIO, LLC 722      
650-912 0 Half Moon Bay CA 939H COMMIO, LLC 722   2022-12-23   
669-301 1 San Jose: South DA CA 939H COMMIO, LLC 722   2021-06-20   
669-314 2 Sunnyvale CA 939H COMMIO, LLC 722   2024-01-28   
669-314 8 Sunnyvale CA 939H COMMIO, LLC 722   2024-01-28   
669-314 9 Sunnyvale CA 939H COMMIO, LLC 722   2024-01-28   
669-315 2 San Jose: North DA CA 939H COMMIO, LLC 722   2024-01-28   
669-315 9 San Jose: North DA CA 939H COMMIO, LLC 722   2024-01-28   
669-316 2 Campbell CA 939H COMMIO, LLC 722   2024-01-28   
669-316 3 Campbell CA 939H COMMIO, LLC 722   2024-01-28   
669-316 4 Campbell CA 939H COMMIO, LLC 722   2024-01-28   
669-316 9 Campbell CA 939H COMMIO, LLC 722   2024-01-28   
669-325 2 San Jose: West DA CA 939H COMMIO, LLC 722   2024-01-28   
669-325 3 San Jose: West DA CA 939H COMMIO, LLC 722   2024-01-28   
669-325 4 San Jose: West DA CA 939H COMMIO, LLC 722   2024-01-28   
669-325 5 San Jose: West DA CA 939H COMMIO, LLC 722   2024-01-28   
669-337 A San Jose: South DA CA 939H COMMIO, LLC 722   2024-03-03   
669-337 0 San Jose: South DA CA 939H COMMIO, LLC 722   2024-03-03   
669-337 1 San Jose: South DA CA 939H COMMIO, LLC 722   2024-03-03   

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Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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