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: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 873

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-873 A Grapevine TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
817-873 0 Grapevine TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-29   
817-873 1 Grapevine TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-29   
817-873 2 Grapevine TX   903C ONVOY, LLC - TX 552   2016-04-22   
817-873 3 Grapevine TX   903C ONVOY, LLC - TX 552   2016-02-08   
817-873 4 Grapevine TX   319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 552   2015-02-06   
817-873 5 Grapevine TX   829J PAETEC ITEL, LLC 552   2013-02-15   
817-873 6 Grapevine TX   903C ONVOY, LLC - TX 552   2016-04-22   
817-873 7 Grapevine TX   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 552   2015-03-13   
817-873 8 Grapevine TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2016-07-17   
817-873 9 Grapevine TX   5562 METROPCS, INC. 552   2017-04-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.