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: 789

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-789 A Channelview TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-789 0 Channelview TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2021-05-10   
346-789 1 Channelview TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2021-05-15   
346-789 2 Channelview TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2021-05-15   
346-789 3 Channelview TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2021-05-15   
346-789 4 Channelview TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2021-05-15   
346-789 5 Channelview TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2021-05-15   
346-789 6 Channelview TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2021-09-04   
346-789 7 Channelview TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-789 9 Channelview TX HSTNTXJAXBY  965H FRACTEL, LLC 560   2021-03-13   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.