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: 324

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-324 A San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 0 San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 1 San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 2 San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 3 San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 4 San Jose: North DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2005-10-28   
408-324 5 San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 6 San Jose: North DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2004-11-14   
408-324 7 San Jose: North DA CA SNJSCAYBDS0  7453 U.S. TELEPACIFIC CORP. - CA 722   2008-10-16   
408-324 8 San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      
408-324 9 San Jose: North DA CA SNJSCA21DS2  9740 PACIFIC BELL 722      

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.