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: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

NXX: 567

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-567 A Mont Belvieu TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-567 0 Mont Belvieu TX HSTNTXJAX3Y  073H TELNYX LLC 560   2019-12-13   
346-567 1 Mont Belvieu TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2019-11-28   
346-567 2 Mont Belvieu TX HSTQTX02EMD  197D VONAGE AMERICA LLC 560   2020-05-08   
346-567 3 Mont Belvieu TX HSTQTX02EMD  197D VONAGE AMERICA LLC 560   2020-05-08   
346-567 4 Mont Belvieu TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-08-15   
346-567 5 Mont Belvieu TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-08-15   
346-567 6 Mont Belvieu TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-08-22   
346-567 7 Mont Belvieu TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-08-22   
346-567 8 Mont Belvieu TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-08-22   
346-567 9 Mont Belvieu TX HSTNTXYANMD  506J TWILIO INTERNATIONAL, INC. 560   2020-10-08   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.