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
650-878 A South San Francisco CA COLACA01DS0  9740 PACIFIC BELL 722      
650-878 0 South San Francisco CA   9740 PACIFIC BELL 722      
650-878 1 South San Francisco CA   9740 PACIFIC BELL 722      
650-878 2 South San Francisco CA   9740 PACIFIC BELL 722      
650-878 3 South San Francisco CA   9740 PACIFIC BELL 722      
650-878 4 South San Francisco CA   9740 PACIFIC BELL 722      
650-878 5 South San Francisco CA   9740 PACIFIC BELL 722      
650-878 6 South San Francisco CA   7262 XO CALIFORNIA, INC. 722   2010-11-04   
650-878 7 South San Francisco CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-10-27   
650-878 8 South San Francisco CA   9740 PACIFIC BELL 722      
650-878 9 South San Francisco CA   9740 PACIFIC BELL 722      

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

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