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.

Switch: GRVYCA11RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-268 A Grass Valley: South DA CA 9740 PACIFIC BELL 726      
530-268 0 Grass Valley: South DA CA 9740 PACIFIC BELL 726      
530-268 1 Grass Valley: South DA CA 9740 PACIFIC BELL 726      
530-268 2 Grass Valley: South DA CA 9740 PACIFIC BELL 726      
530-268 3 Grass Valley: South DA CA 9740 PACIFIC BELL 726      
530-268 4 Grass Valley: South DA CA 9740 PACIFIC BELL 726      
530-268 6 Grass Valley: South DA CA 9740 PACIFIC BELL 726      
530-268 7 Grass Valley: South DA CA 9740 PACIFIC BELL 726      
530-268 8 Grass Valley: South DA CA 9740 PACIFIC BELL 726      
530-268 9 Grass Valley: South DA CA 9740 PACIFIC BELL 726      
530-269 A Auburn: North DA CA 9740 PACIFIC BELL 726      
530-269 0 Auburn: North DA CA 9740 PACIFIC BELL 726      
530-269 1 Auburn: North DA CA 9740 PACIFIC BELL 726      
530-269 2 Auburn: North DA CA 9740 PACIFIC BELL 726      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.