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
650-258 A Palo Alto CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   
650-258 0 Palo Alto CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   
650-258 1 Palo Alto CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   
650-258 2 Palo Alto CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   
650-258 3 Palo Alto CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   
650-258 4 Palo Alto CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   
650-258 5 Palo Alto CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   
650-258 6 Palo Alto CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   
650-258 7 Palo Alto CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   
650-258 8 Palo Alto CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   
650-258 9 Palo Alto CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2011-11-11   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.