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: 381

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-381 A Reno TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-381 0 Reno TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-09-10   
817-381 1 Reno TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-09-02   
817-381 2 Reno TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-08-18   
817-381 3 Reno TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-05-19   
817-381 4 Reno TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-03-09   
817-381 5 Reno TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-02-27   
817-381 6 Reno TX DLLSTX37DSH  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-08-13   
817-381 7 Reno TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2009-09-05   
817-381 8 Reno TX DLLSTX37DSH  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-08-13   
817-381 9 Reno TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-08-15   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.