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: 767

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-767 A Stafford TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-767 0 Stafford TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-01-15   
346-767 1 Stafford TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2021-05-15   
346-767 2 Stafford TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2021-05-15   
346-767 3 Stafford TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-02-18   
346-767 4 Stafford TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2021-05-15   
346-767 5 Stafford TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-767 6 Stafford TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-01-14   
346-767 7 Stafford TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-09   
346-767 8 Stafford TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2021-06-05   
346-767 9 Stafford TX HSTNTXYAHMD  073H TELNYX LLC 560   2021-07-15   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.