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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-335 A Mountain View CA MTVWCA11DS0  9740 PACIFIC BELL 722      
650-335 0 Mountain View CA   9740 PACIFIC BELL 722      
650-335 1 Mountain View CA   9740 PACIFIC BELL 722      
650-335 2 Mountain View CA   9740 PACIFIC BELL 722      
650-335 3 Mountain View CA   9740 PACIFIC BELL 722      
650-335 4 Mountain View CA   9740 PACIFIC BELL 722      
650-335 5 Mountain View CA   6529 T-MOBILE USA, INC. 722   2008-09-26   
650-335 6 Mountain View CA   9740 PACIFIC BELL 722      
650-335 7 Mountain View CA   9740 PACIFIC BELL 722      
650-335 8 Mountain View CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-09-18   
650-335 9 Mountain View CA   9740 PACIFIC BELL 722      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.