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: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-801 A Chico CA CHICCA01XMD  7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 724   2010-11-15   
530-801 1 Chico CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2011-05-05   
530-801 2 Chico CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 724   2015-05-22   
530-801 6 Chico CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 724   2010-11-15   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.