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: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-866 A Valley Lodge TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-866 0 Valley Lodge TX   073H TELNYX LLC 560   2023-02-17   
346-866 1 Valley Lodge TX   318J COMCAST IP PHONE, LLC 560   2021-08-30   
346-866 3 Valley Lodge TX   624H ONVOY SPECTRUM, LLC 560   2021-12-04   
346-866 4 Valley Lodge TX   624H ONVOY SPECTRUM, LLC 560   2021-07-14   
346-866 5 Valley Lodge TX   624H ONVOY SPECTRUM, LLC 560   2021-12-04   
346-866 6 Valley Lodge TX   965H FRACTEL, LLC 560   2021-07-11   
346-866 7 Valley Lodge TX   903C ONVOY, LLC - TX 560   2021-07-12   
346-866 8 Valley Lodge TX   903C ONVOY, LLC - TX 560   2021-07-12   
346-866 9 Valley Lodge TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2022-04-11   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.