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
650-636 A South San Francisco CA SNFECAEJDS0  8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-636 0 South San Francisco CA   8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-636 1 South San Francisco CA   8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-636 2 South San Francisco CA   8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-636 3 South San Francisco CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-06-10   
650-636 4 South San Francisco CA   516C AT&T CORP. 722   2006-06-30   
650-636 5 South San Francisco CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-07-23   
650-636 6 South San Francisco CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-06-10   
650-636 7 South San Francisco CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-12-14   
650-636 8 South San Francisco CA   8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-636 9 South San Francisco CA   8782 ALLEGIANCE TELECOM, INC. - CA 722      

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

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