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: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-423 A Weaverville CA CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-423 0 Weaverville CA CHICCA01XCX  649C ONVOY, LLC - CA 724      
530-423 1 Weaverville CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2022-06-19   
530-423 2 Weaverville CA   5562 METROPCS, INC. 724   2025-04-20   
530-423 3 Weaverville CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2019-09-08   
530-423 4 Weaverville CA CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-423 5 Weaverville CA CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724   2010-02-28   
530-423 6 Weaverville CA CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2005-08-01   
530-423 7 Weaverville CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2016-03-05   
530-423 8 Weaverville CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2021-07-19   
530-423 9 Weaverville CA   515J IP HORIZON LLC 724   2006-09-23   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.