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: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-631 A Reno TX FTWOTXEDRS0  8833 LOGIX COMMUNICATIONS CORPORATION - TX 552      
817-631 0 Reno TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-06-21   
817-631 1 Reno TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-09-26   
817-631 2 Reno TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-06-15   
817-631 3 Reno TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-23   
817-631 4 Reno TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-09-26   
817-631 5 Reno TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-09-26   
817-631 6 Reno TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2022-09-26   
817-631 7 Reno TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2011-04-18   
817-631 8 Reno TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2022-06-24   
817-631 9 Reno TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-09-10   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.