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: 362

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-362 A Sheldon TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-362 0 Sheldon TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-02   
346-362 1 Sheldon TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2018-12-27   
346-362 2 Sheldon TX HSTNTXYAOMD  515J IP HORIZON LLC 560   2025-03-02   
346-362 3 Sheldon TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-07-15   
346-362 4 Sheldon TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-04-12   
346-362 5 Sheldon TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-04-12   
346-362 6 Sheldon TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2021-06-02   
346-362 7 Sheldon TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2018-10-14   
346-362 8 Sheldon TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2018-10-14   
346-362 9 Sheldon TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-07-02   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.