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: 842

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-842 A Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-842 0 Palo Alto CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-06-17   
650-842 1 Palo Alto CA   9740 PACIFIC BELL 722      
650-842 2 Palo Alto CA   9740 PACIFIC BELL 722      
650-842 3 Palo Alto CA   9740 PACIFIC BELL 722      
650-842 4 Palo Alto CA   9740 PACIFIC BELL 722      
650-842 5 Palo Alto CA   9740 PACIFIC BELL 722      
650-842 6 Palo Alto CA   9740 PACIFIC BELL 722      
650-842 7 Palo Alto CA   9740 PACIFIC BELL 722      
650-842 8 Palo Alto CA   9740 PACIFIC BELL 722      
650-842 9 Palo Alto CA   9740 PACIFIC BELL 722      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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