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.
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Switch: OKLECAZVGT0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
707-362 2 Eureka CA 6529 T-MOBILE USA, INC. 722   2007-02-18   
707-362 3 Eureka CA 6529 T-MOBILE USA, INC. 722   2007-02-18   
707-362 9 Eureka CA 6529 T-MOBILE USA, INC. 722   2006-10-25   
707-497 0 Eureka CA 6529 T-MOBILE USA, INC. 722   2021-09-28   
707-613 1 Eureka CA 6529 T-MOBILE USA, INC. 722   2020-07-30   
707-613 7 Eureka CA 6529 T-MOBILE USA, INC. 722   2018-06-15   
707-613 9 Eureka CA 6529 T-MOBILE USA, INC. 722   2018-10-12   
707-616 0 Eureka CA 6529 T-MOBILE USA, INC. 722   2004-12-19   
707-616 9 Eureka CA 6529 T-MOBILE USA, INC. 722      
707-683 9 Eureka CA 6529 T-MOBILE USA, INC. 722   2017-10-04   
707-740 A Eureka CA 6529 T-MOBILE USA, INC. 722      
707-740 1 Eureka CA 6529 T-MOBILE USA, INC. 722   2020-07-30   
707-740 2 Eureka CA 6529 T-MOBILE USA, INC. 722   2020-04-18   
707-740 3 Eureka CA 6529 T-MOBILE USA, INC. 722   2019-12-13   
707-740 5 Eureka CA 6529 T-MOBILE USA, INC. 722   2019-09-21   
707-740 8 Eureka CA 6529 T-MOBILE USA, INC. 722   2019-05-11   
707-740 9 Eureka CA 6529 T-MOBILE USA, INC. 722   2019-02-23   
707-832 0 Eureka CA 6529 T-MOBILE USA, INC. 722   2024-01-23   
707-832 9 Eureka CA 6529 T-MOBILE USA, INC. 722   2005-01-22   
707-854 A Eureka CA 6529 T-MOBILE USA, INC. 722      
707-854 5 Eureka CA 6529 T-MOBILE USA, INC. 722   2021-11-09   
707-854 8 Eureka CA 6529 T-MOBILE USA, INC. 722   2020-12-19   
707-854 9 Eureka CA 6529 T-MOBILE USA, INC. 722   2020-12-19   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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