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
408-740 A Saratoga CA SNFCCAMMDSA  4129 O1 COMMUNICATIONS, INC. - CA 722      
408-740 0 Saratoga CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-22   
408-740 1 Saratoga CA   4129 O1 COMMUNICATIONS, INC. - CA 722      
408-740 2 Saratoga CA   4129 O1 COMMUNICATIONS, INC. - CA 722      
408-740 3 Saratoga CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-06-17   
408-740 4 Saratoga CA   4129 O1 COMMUNICATIONS, INC. - CA 722      
408-740 5 Saratoga CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-01-06   
408-740 6 Saratoga CA   293G MOSAIC NETWORX LLC - CA 722   2012-10-27   
408-740 7 Saratoga CA   649C ONVOY, LLC - CA 722   2007-04-07   
408-740 8 Saratoga CA   516C AT&T CORP. 722   2006-06-30   
408-740 9 Saratoga CA   649C ONVOY, LLC - CA 722   2012-10-27   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.