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: 373

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-373 A Channelview TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
346-373 0 Channelview TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-373 1 Channelview TX HSTDTXBG8MD  5562 METROPCS, INC. 560      
346-373 2 Channelview TX HSTDTXBG8MD  5562 METROPCS, INC. 560      
346-373 3 Channelview TX HSTDTXBG8MD  5562 METROPCS, INC. 560      
346-373 4 Channelview TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-373 5 Channelview TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-373 6 Channelview TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-373 7 Channelview TX HSTDTXBG8MD  5562 METROPCS, INC. 560      
346-373 8 Channelview TX HSTDTXBG8MD  5562 METROPCS, INC. 560      
346-373 9 Channelview TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.