Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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
650-397 A Los Altos CA SNFCCAMMDSA  4129 O1 COMMUNICATIONS, INC. - CA 722      
650-397 0 Los Altos CA   6529 T-MOBILE USA, INC. 722   2015-11-10   
650-397 1 Los Altos CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-26   
650-397 2 Los Altos CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-26   
650-397 3 Los Altos CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2007-06-26   
650-397 4 Los Altos CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-04-01   
650-397 5 Los Altos CA   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 722   2011-10-03   
650-397 6 Los Altos CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-08-02   
650-397 7 Los Altos CA   649C ONVOY, LLC - CA 722   2014-11-06   
650-397 8 Los Altos CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-09-01   
650-397 9 Los Altos CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-06-21   

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

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