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: PSBHCA11RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
805-556 A Pismo Beach CA 9740 PACIFIC BELL 740      
805-556 0 Pismo Beach CA 9740 PACIFIC BELL 740      
805-556 1 Pismo Beach CA 9740 PACIFIC BELL 740      
805-773 A Pismo Beach CA 9740 PACIFIC BELL 740      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.