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
408-215 A Sunnyvale CA SNJSCARMDS0  7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722      
408-215 0 Sunnyvale CA   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722      
408-215 1 Sunnyvale CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2007-09-25   
408-215 2 Sunnyvale CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722   2001-10-18   
408-215 3 Sunnyvale CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722   2001-06-06   
408-215 4 Sunnyvale CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722   2002-04-01   
408-215 5 Sunnyvale CA   8827 BROADWING COMMUNICATIONS, LLC - CA 722   2002-09-10   
408-215 6 Sunnyvale CA   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722      
408-215 7 Sunnyvale CA   649C ONVOY, LLC - CA 722   2004-04-08   
408-215 8 Sunnyvale CA   6529 T-MOBILE USA, INC. 722   2004-10-22   
408-215 9 Sunnyvale CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-04-16   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.