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: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-661 A Woodland CA WDLDCA11DS0  9740 PACIFIC BELL 726      
530-661 0 Woodland CA WDLDCA11DS0  9740 PACIFIC BELL 726      
530-661 1 Woodland CA WDLDCA11DS0  9740 PACIFIC BELL 726      
530-661 2 Woodland CA WDLDCA11DS0  9740 PACIFIC BELL 726      
530-661 3 Woodland CA WDLDCA11DS0  9740 PACIFIC BELL 726      
530-661 4 Woodland CA WDLDCA11DS0  9740 PACIFIC BELL 726      
530-661 5 Woodland CA WDLDCA11DS0  9740 PACIFIC BELL 726      
530-661 6 Woodland CA WDLDCA11DS0  9740 PACIFIC BELL 726      
530-661 7 Woodland CA WDLDCA11DS0  9740 PACIFIC BELL 726      
530-661 8 Woodland CA RSVLCANLDS5  258E YMAX COMMUNICATIONS CORP. - CA 726   2009-02-10   
530-661 9 Woodland CA WDLDCA11DS0  9740 PACIFIC BELL 726      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.