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.

NPA: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-476 A Eureka CA EURKCA01DS0  9740 PACIFIC BELL 722      
707-476 0 Eureka CA EURKCA01DS0  9740 PACIFIC BELL 722      
707-476 1 Eureka CA EURKCA01DS0  9740 PACIFIC BELL 722      
707-476 2 Eureka CA EURKCA01DS0  9740 PACIFIC BELL 722      
707-476 3 Eureka CA OKLECAZV1MD  5562 METROPCS, INC. 722   2008-11-17   
707-476 4 Eureka CA EURKCA01DS0  9740 PACIFIC BELL 722      
707-476 5 Eureka CA EURKCA01DS0  9740 PACIFIC BELL 722      
707-476 6 Eureka CA EURKCA01DS0  9740 PACIFIC BELL 722      
707-476 7 Eureka CA EURKCA01DS0  9740 PACIFIC BELL 722      
707-476 8 Eureka CA EURKCA01DS0  9740 PACIFIC BELL 722      
707-476 9 Eureka CA EURKCA01DS0  9740 PACIFIC BELL 722      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.