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: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-777 A San Jose: West DA CA SNJSCA12DS0  9740 PACIFIC BELL 722      
408-777 0 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-777 1 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-777 2 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-777 3 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-777 4 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-777 5 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-777 6 San Jose: West DA CA   206C CBEYOND COMMUNICATIONS, LLC - CA 722   2009-02-02   
408-777 7 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-777 8 San Jose: West DA CA   9740 PACIFIC BELL 722      
408-777 9 San Jose: West DA CA   9740 PACIFIC BELL 722      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.