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
510-546 6 Hayward CA 624H ONVOY SPECTRUM, LLC 722   2024-03-08   
510-546 7 Hayward CA 624H ONVOY SPECTRUM, LLC 722   2024-03-08   
510-546 8 Hayward CA 624H ONVOY SPECTRUM, LLC 722   2024-03-08   
510-546 9 Hayward CA 624H ONVOY SPECTRUM, LLC 722   2024-03-08   
510-617 2 Hercules-Rodeo CA 624H ONVOY SPECTRUM, LLC 722   2020-07-02   
510-617 3 Hercules-Rodeo CA 624H ONVOY SPECTRUM, LLC 722   2020-07-02   
510-617 4 Hercules-Rodeo CA 624H ONVOY SPECTRUM, LLC 722   2020-07-02   
510-641 1 El Sobrante-Pinole CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-641 2 El Sobrante-Pinole CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-641 3 El Sobrante-Pinole CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-641 4 El Sobrante-Pinole CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-641 5 El Sobrante-Pinole CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-705 0 Oakland: Berkeley DA CA 624H ONVOY SPECTRUM, LLC 722   2022-04-19   
510-736 1 Hayward CA 624H ONVOY SPECTRUM, LLC 722   2022-05-21   
510-764 0 Oakland: Alameda DA CA 624H ONVOY SPECTRUM, LLC 722   2022-04-05   
510-764 5 Oakland: Alameda DA CA 624H ONVOY SPECTRUM, LLC 722   2022-05-26   
510-808 9 Oakland: Main-Piedmont DA CA 624H ONVOY SPECTRUM, LLC 722   2024-10-20   
510-831 7 Richmond CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-831 9 Richmond CA 624H ONVOY SPECTRUM, LLC 722   2021-11-11   
510-868 7 Oakland: Berkeley DA CA 624H ONVOY SPECTRUM, LLC 722   2021-11-05   
510-892 8 Hayward CA 624H ONVOY SPECTRUM, LLC 722   2021-11-23   
510-892 9 Hayward CA 624H ONVOY SPECTRUM, LLC 722   2021-11-23   
510-951 5 Hayward CA 624H ONVOY SPECTRUM, LLC 722   2022-05-15   
510-951 9 Hayward CA 624H ONVOY SPECTRUM, LLC 722   2022-05-15   
510-960 8 Oakland: Berkeley DA CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-971 1 Oakland: Main-Piedmont DA CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-971 2 Oakland: Main-Piedmont DA CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-971 3 Oakland: Main-Piedmont DA CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-971 4 Oakland: Main-Piedmont DA CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-973 6 Oakland: Berkeley DA CA 624H ONVOY SPECTRUM, LLC 722   2021-05-22   
510-973 7 Oakland: Berkeley DA CA 624H ONVOY SPECTRUM, LLC 722   2021-05-22   
510-975 7 Oakland: Alameda DA CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-977 0 Oakland: Berkeley DA CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-977 4 Oakland: Berkeley DA CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-977 6 Oakland: Berkeley DA CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-989 6 Oakland: Berkeley DA CA 624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-994 3 Richmond CA 624H ONVOY SPECTRUM, LLC 722   2021-03-02   
628-262 3 Belvedere CA 624H ONVOY SPECTRUM, LLC 722   2020-06-29   
628-262 5 Belvedere CA 624H ONVOY SPECTRUM, LLC 722   2020-06-29   
628-262 7 Belvedere CA 624H ONVOY SPECTRUM, LLC 722   2020-06-29   
628-262 9 Belvedere CA 624H ONVOY SPECTRUM, LLC 722   2020-05-25   
628-265 7 Inverness CA 624H ONVOY SPECTRUM, LLC 722   2024-08-18   
628-271 A San Francisco: Central DA CA 624H ONVOY SPECTRUM, LLC 722      
628-271 0 San Francisco: Central DA CA 624H ONVOY SPECTRUM, LLC 722   2020-01-16   
628-272 4 Point Reyes CA 624H ONVOY SPECTRUM, LLC 722   2021-11-08   
628-272 5 Point Reyes CA 624H ONVOY SPECTRUM, LLC 722   2021-11-08   
628-272 6 Point Reyes CA 624H ONVOY SPECTRUM, LLC 722   2024-08-18   
628-272 7 Point Reyes CA 624H ONVOY SPECTRUM, LLC 722   2021-07-23   
628-277 2 San Rafael CA 624H ONVOY SPECTRUM, LLC 722   2021-07-23   
628-279 2 Sausalito CA 624H ONVOY SPECTRUM, LLC 722   2024-08-18   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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