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: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 361

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-361 A Dublin-San Ramon CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
925-361 0 Dublin-San Ramon CA   318J COMCAST IP PHONE LLC 722      
925-361 1 Dublin-San Ramon CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
925-361 2 Dublin-San Ramon CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-07-04   
925-361 3 Dublin-San Ramon CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-12-06   
925-361 4 Dublin-San Ramon CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
925-361 5 Dublin-San Ramon CA   318J COMCAST IP PHONE LLC 722      
925-361 7 Dublin-San Ramon CA   318J COMCAST IP PHONE LLC 722      
925-361 8 Dublin-San Ramon CA   318J COMCAST IP PHONE LLC 722      
925-361 9 Dublin-San Ramon CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.