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
650-900 A Los Altos CA SNFCCAMMDSA  4129 O1 COMMUNICATIONS, INC. - CA 722      
650-900 0 Los Altos CA   649C ONVOY, LLC - CA 722   2010-11-28   
650-900 1 Los Altos CA   4129 O1 COMMUNICATIONS, INC. - CA 722      
650-900 2 Los Altos CA   4129 O1 COMMUNICATIONS, INC. - CA 722      
650-900 3 Los Altos CA   649C ONVOY, LLC - CA 722   2012-12-30   
650-900 4 Los Altos CA   4129 O1 COMMUNICATIONS, INC. - CA 722      
650-900 5 Los Altos CA   649C ONVOY, LLC - CA 722   2012-12-30   
650-900 6 Los Altos CA   649C ONVOY, LLC - CA 722   2013-12-02   
650-900 7 Los Altos CA   649C ONVOY, LLC - CA 722   2013-12-02   
650-900 8 Los Altos CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-03-01   
650-900 9 Los Altos CA   649C ONVOY, LLC - CA 722   2012-06-29   

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

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