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: 727

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-727 A Red Bluff CA ARSNCABS0MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 724      
530-727 0 Red Bluff CA CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-727 1 Red Bluff CA ARSNCABS0MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 724   2018-05-11   
530-727 2 Red Bluff CA CHICCAEYKMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2020-04-15   
530-727 3 Red Bluff CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2021-07-18   
530-727 4 Red Bluff CA CHICCA01RMD  6529 T-MOBILE USA, INC. 724   2021-05-08   
530-727 5 Red Bluff CA CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724   2011-06-23   
530-727 6 Red Bluff CA CHICCA78AMD  516C AT&T CORP. 724   2011-06-20   
530-727 7 Red Bluff CA CHICCAEYKMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2011-06-03   
530-727 8 Red Bluff CA CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724   2009-01-13   
530-727 9 Red Bluff CA ARSNCABS0MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 724   2012-09-20   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.