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: 654

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-654 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-654 0 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-654 1 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-654 2 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-654 3 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-654 4 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-654 5 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-654 6 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-654 7 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-654 9 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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