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
650-351 A South San Francisco CA SNFCCAMK8MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      
650-351 0 South San Francisco CA   8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      
650-351 1 South San Francisco CA   8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      
650-351 2 South San Francisco CA   3662 PACIFIC CENTREX SERVICES, INC. - CA 722   2006-12-01   
650-351 3 South San Francisco CA   8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      
650-351 4 South San Francisco CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-351 5 South San Francisco CA   8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      
650-351 6 South San Francisco CA   8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      
650-351 7 South San Francisco CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-08   
650-351 8 South San Francisco CA   8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      
650-351 9 South San Francisco CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-02-12   

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

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