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: 495

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-495 A Coleville CA CEVLCAXFRS6  863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 720      
530-495 1 Coleville CA CEVLCAXFRS6  863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 720      
530-495 2 Coleville CA CEVLCAXFRS6  863F FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA 720      
530-495 4 Coleville CA RENONV126MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 720   2005-07-10   
530-495 9 Coleville CA   145J TERRA NOVA TELECOM INC. 720   2025-05-15   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.