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: 922

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-922 A Brookshire TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-922 0 Brookshire TX   903C ONVOY, LLC - TX 560   2023-10-29   
346-922 1 Brookshire TX   903C ONVOY, LLC - TX 560   2023-10-29   
346-922 2 Brookshire TX   965H FRACTEL, LLC 560   2021-09-17   
346-922 3 Brookshire TX   903C ONVOY, LLC - TX 560   2021-12-23   
346-922 4 Brookshire TX   2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2023-04-27   
346-922 5 Brookshire TX   903C ONVOY, LLC - TX 560   2023-05-14   
346-922 6 Brookshire TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2022-03-03   
346-922 7 Brookshire TX   516J TON80 COMMUNICATIONS, LLC 560   2022-03-23   
346-922 8 Brookshire TX   903C ONVOY, LLC - TX 560   2023-07-15   
346-922 9 Brookshire TX   490J DISH WIRELESS, LLC 560   2022-09-03   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.