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: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 792

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-792 A Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-792 0 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-792 1 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-792 2 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-792 3 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-792 4 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-792 5 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-792 6 Davis CA SCRMCA01DS3  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726      
530-792 7 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-792 8 Davis CA DAVSCA11DS0  9740 PACIFIC BELL 726      
530-792 9 Davis CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.