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: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-209 A Los Altos CA SNJSCAYBDS0  7453 U.S. TELEPACIFIC CORP. - CA 722      
650-209 0 Los Altos CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-04-01   
650-209 1 Los Altos CA   7453 U.S. TELEPACIFIC CORP. - CA 722      
650-209 2 Los Altos CA   6529 T-MOBILE USA, INC. 722   2015-11-10   
650-209 3 Los Altos CA   7453 U.S. TELEPACIFIC CORP. - CA 722      
650-209 4 Los Altos CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-11-26   
650-209 5 Los Altos CA   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 722   2006-05-26   
650-209 6 Los Altos CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2007-12-04   
650-209 7 Los Altos CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-05-09   
650-209 8 Los Altos CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-11-25   
650-209 9 Los Altos CA   7453 U.S. TELEPACIFIC CORP. - CA 722      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.