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: SNGRCAXFUMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-379 8 Lindsay CA 624H ONVOY SPECTRUM, LLC 728   2021-07-23   
559-902 A Sanger CA 624H ONVOY SPECTRUM, LLC 728      
559-902 3 Sanger CA 624H ONVOY SPECTRUM, LLC 728   2023-11-02   
559-902 5 Sanger CA 624H ONVOY SPECTRUM, LLC 728   2023-11-02   
559-902 6 Sanger CA 624H ONVOY SPECTRUM, LLC 728   2023-11-02   
559-902 7 Sanger CA 624H ONVOY SPECTRUM, LLC 728   2023-11-02   
559-902 9 Sanger CA 624H ONVOY SPECTRUM, LLC 728   2022-01-16   
559-990 2 Sanger CA 624H ONVOY SPECTRUM, LLC 728   2023-11-02   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.