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.

Switch: SNJUCACL4MD

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
369-214 A Santa Rosa CA 939H COMMIO, LLC 722   2024-02-24   
369-214 0 Santa Rosa CA 939H COMMIO, LLC 722   2024-02-24   
369-214 1 Santa Rosa CA 939H COMMIO, LLC 722   2024-02-24   
369-214 2 Santa Rosa CA 939H COMMIO, LLC 722   2024-02-24   
369-215 A Lower Lake CA 939H COMMIO, LLC 722   2024-03-03   
408-333 3 San Jose: South DA CA 939H COMMIO, LLC 722   2021-06-20   
408-333 6 San Jose: South DA CA 939H COMMIO, LLC 722   2021-06-20   
408-333 7 San Jose: South DA CA 939H COMMIO, LLC 722   2021-06-20   
408-521 8 San Jose: West DA CA 939H COMMIO, LLC 722   2024-02-22   
415-466 7 San Francisco: Juniper DA CA 939H COMMIO, LLC 722   2024-01-28   
415-594 1 San Francisco: Juniper DA CA 939H COMMIO, LLC 722   2024-01-28   
415-594 2 San Francisco: Juniper DA CA 939H COMMIO, LLC 722   2024-01-28   
415-859 2 San Francisco: Juniper DA CA 939H COMMIO, LLC 722   2024-01-28   
510-312 A Crockett CA 939H COMMIO, LLC 722      
510-312 0 Crockett CA 939H COMMIO, LLC 722   2023-10-09   
510-312 1 Crockett CA 939H COMMIO, LLC 722   2023-10-09   
510-312 2 Crockett CA 939H COMMIO, LLC 722   2023-10-09   
510-312 3 Crockett CA 939H COMMIO, LLC 722   2023-10-09   
510-312 4 Crockett CA 939H COMMIO, LLC 722   2023-10-09   
510-549 7 Oakland: Berkeley DA CA 939H COMMIO, LLC 722   2022-11-10   
510-592 2 Hercules-Rodeo CA 939H COMMIO, LLC 722   2021-10-09   
510-592 3 Hercules-Rodeo CA 939H COMMIO, LLC 722   2021-10-09   
510-951 3 Hayward CA 939H COMMIO, LLC 722   2021-09-20   
510-951 4 Hayward CA 939H COMMIO, LLC 722   2021-09-20   
628-240 5 San Rafael CA 939H COMMIO, LLC 722   2021-10-14   
628-277 6 San Rafael CA 939H COMMIO, LLC 722   2021-10-14   
628-281 0 San Francisco: Central DA CA 939H COMMIO, LLC 722   2024-01-28   
628-281 5 San Francisco: Central DA CA 939H COMMIO, LLC 722   2024-01-28   
628-281 6 San Francisco: Central DA CA 939H COMMIO, LLC 722   2024-01-28   
628-281 7 San Francisco: Central DA CA 939H COMMIO, LLC 722   2024-01-28   
628-284 2 San Francisco: Central DA CA 939H COMMIO, LLC 722   2024-01-28   
628-292 A Belvedere CA 939H COMMIO, LLC 722      
628-292 0 Belvedere CA 939H COMMIO, LLC 722   2023-10-09   
628-292 1 Belvedere CA 939H COMMIO, LLC 722   2023-10-09   
628-292 2 Belvedere CA 939H COMMIO, LLC 722   2023-10-09   
628-292 3 Belvedere CA 939H COMMIO, LLC 722   2023-10-09   
628-292 4 Belvedere CA 939H COMMIO, LLC 722   2023-10-09   
628-293 A Nicasio CA 939H COMMIO, LLC 722      
628-293 0 Nicasio CA 939H COMMIO, LLC 722   2023-10-09   
628-293 1 Nicasio CA 939H COMMIO, LLC 722   2023-10-09   
628-293 2 Nicasio CA 939H COMMIO, LLC 722   2023-10-09   
628-293 3 Nicasio CA 939H COMMIO, LLC 722   2023-10-09   
628-293 4 Nicasio CA 939H COMMIO, LLC 722   2023-10-09   
628-295 0 San Rafael CA 939H COMMIO, LLC 722   2024-01-27   
628-295 1 San Rafael CA 939H COMMIO, LLC 722   2024-01-27   
628-295 8 San Rafael CA 939H COMMIO, LLC 722   2024-01-27   
628-338 1 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722   2024-01-27   
628-338 7 San Francisco: Montrose-Evergreen DA CA 939H COMMIO, LLC 722   2024-01-27   
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   

<< 1 2 3 4 5 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.