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: 797

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-797 A Westfield TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-06-20   
346-797 0 Westfield TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-06-20   
346-797 1 Westfield TX HSTNTXJAXJY  478J NUSO, LLC 560   2024-06-21   
346-797 2 Westfield TX HSTNTXJAXJY  478J NUSO, LLC 560   2024-06-21   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.