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: 371

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-371 A Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560      
346-371 0 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2018-12-09   
346-371 1 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2018-12-09   
346-371 2 Stafford TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-07-11   
346-371 3 Stafford TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-07-11   
346-371 4 Stafford TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2019-08-23   
346-371 5 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2019-09-07   
346-371 6 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2019-07-20   
346-371 7 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2019-07-20   
346-371 8 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2019-07-20   
346-371 9 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2018-12-09   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.