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: 796

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-796 A Campbell CA SNJSCA12DS0  9740 PACIFIC BELL 722      
408-796 0 Campbell CA   9740 PACIFIC BELL 722      
408-796 1 Campbell CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-02   
408-796 2 Campbell CA   5562 METROPCS, INC. 722   2008-08-19   
408-796 3 Campbell CA   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2008-07-24   
408-796 4 Campbell CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-02   
408-796 5 Campbell CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-15   
408-796 6 Campbell CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-15   
408-796 7 Campbell CA   318J COMCAST IP PHONE, LLC 722   2005-09-26   
408-796 8 Campbell CA   6529 T-MOBILE USA, INC. 722   2006-05-04   
408-796 9 Campbell CA   6529 T-MOBILE USA, INC. 722   2009-11-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.