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: 487

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-487 A Chico CA CHICCA78AMD  516C AT&T CORP. 724      
530-487 0 Chico CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2011-06-23   
530-487 1 Chico CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2012-03-16   
530-487 2 Chico CA   6529 T-MOBILE USA, INC. 724   2014-11-14   
530-487 3 Chico CA   6529 T-MOBILE USA, INC. 724   2014-11-14   
530-487 4 Chico CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2011-05-23   
530-487 5 Chico CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2011-05-23   
530-487 6 Chico CA   649C ONVOY, LLC - CA 724   2021-08-09   
530-487 7 Chico CA   516C AT&T CORP. 724   2010-11-15   
530-487 8 Chico CA   318J COMCAST IP PHONE, LLC 724   2014-09-03   
530-487 9 Chico CA   649C ONVOY, LLC - CA 724   2021-08-09   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.