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: 535

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-535 A Alleghany CA SCRMCA01DS9  4129 O1 COMMUNICATIONS, INC. - CA 726      
530-535 0 Alleghany CA   515J IP HORIZON LLC 726   2022-10-20   
530-535 1 Alleghany CA   515J IP HORIZON LLC 726      
530-535 2 Alleghany CA   515J IP HORIZON LLC 726      
530-535 3 Alleghany CA SCRMCA0112Z  506J TWILIO INTERNATIONAL, INC. 726   2021-04-12   
530-535 4 Alleghany CA   515J IP HORIZON LLC 726      
530-535 7 Alleghany CA SCRMCA01X7Z  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726   2013-03-28   
530-535 8 Alleghany CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2009-02-24   
530-535 9 Alleghany CA   515J IP HORIZON LLC 726   2022-10-20   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.