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: 359

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-359 A French Gulch CA FRGLCA11RS1  9740 PACIFIC BELL 724      
530-359 0 French Gulch CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2016-03-05   
530-359 1 French Gulch CA FRGLCA11RS1  9740 PACIFIC BELL 724      
530-359 2 French Gulch CA FRGLCA11RS1  9740 PACIFIC BELL 724      
530-359 3 French Gulch CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2021-07-18   
530-359 4 French Gulch CA   515J IP HORIZON LLC 724   2003-10-12   
530-359 5 French Gulch CA CHICCA78AMD  516C AT&T CORP. 724   2025-01-08   
530-359 8 French Gulch CA CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724   2009-02-23   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.