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: SNTCCA11DS1

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-985 5 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 6 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 7 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 8 San Jose: West DA CA 9740 PACIFIC BELL 722      
408-985 9 San Jose: West DA CA 9740 PACIFIC BELL 722      

<< 1 2

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.