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: 899

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-899 A Stafford TX HSTNTXJAXBY  965H FRACTEL LLC 560      
346-899 0 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2020-11-19   
346-899 1 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2020-11-19   
346-899 2 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2020-11-19   
346-899 3 Stafford TX HSTNTXYANMD  506J TWILIO INTERNATIONAL INC 560   2020-10-19   
346-899 4 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2020-11-19   
346-899 5 Stafford TX HSTDTXBG8MD  5562 METROPCS, INC. 560   2020-11-19   
346-899 6 Stafford TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-10   
346-899 7 Stafford TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2020-11-13   
346-899 8 Stafford TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2020-11-13   
346-899 9 Stafford TX HSTNTXJAXBY  965H FRACTEL LLC 560   2020-10-17   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.