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: 668

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-668 A Springtown TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-668 0 Springtown TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
817-668 1 Springtown TX   145J TERRA NOVA TELECOM INC. 552      
817-668 2 Springtown TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
817-668 3 Springtown TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
817-668 4 Springtown TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-668 5 Springtown TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
817-668 6 Springtown TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
817-668 7 Springtown TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-668 8 Springtown TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-668 9 Springtown TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.