Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX: 595

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-595 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 0 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 1 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 2 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 3 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 4 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 5 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 6 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-595 7 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 8 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 9 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.