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.

OCN: 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
925-659 7 Bishop Ranch CA   722   2018-02-02   
925-693 A Clayton CA OKLDCA03DS5  722      
925-693 9 Clayton CA   722      
925-804 A Bishop Ranch CA SNFCCAFJDS0  722      
925-804 2 Bishop Ranch CA   722      
925-913 1 Bishop Ranch CA   722   2009-11-23   
925-913 2 Bishop Ranch CA   722   2009-11-23   
925-949 A Walnut Creek CA SNFCCAFJDS0  722      
925-949 0 Walnut Creek CA   722      
925-949 1 Walnut Creek CA   722      
925-949 2 Walnut Creek CA   722      
925-949 4 Walnut Creek CA   722      
925-949 5 Walnut Creek CA   722      
925-949 7 Walnut Creek CA   722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.