Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 740

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-740 A Eureka CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
707-740 0 Eureka CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2019-05-10   
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 4 Eureka CA   649C ONVOY, LLC - CA 722   2019-03-11   
707-740 5 Eureka CA   6529 T-MOBILE USA, INC. 722   2019-09-21   
707-740 6 Eureka CA   649C ONVOY, LLC - CA 722   2019-03-11   
707-740 7 Eureka CA   649C ONVOY, LLC - CA 722   2019-03-11   
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   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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