Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 865

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-865 A Grapevine TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-865 0 Grapevine TX   624H ONVOY SPECTRUM, LLC 552   2021-12-17   
817-865 1 Grapevine TX   903C ONVOY, LLC - TX 552   2008-09-19   
817-865 2 Grapevine TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-865 3 Grapevine TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-10-24   
817-865 4 Grapevine TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-865 5 Grapevine TX   903C ONVOY, LLC - TX 552   2011-08-17   
817-865 6 Grapevine TX   903C ONVOY, LLC - TX 552   2009-03-04   
817-865 7 Grapevine TX   903C ONVOY, LLC - TX 552   2009-03-04   
817-865 8 Grapevine TX   903C ONVOY, LLC - TX 552   2012-02-17   
817-865 9 Grapevine TX   624H ONVOY SPECTRUM, LLC 552   2021-12-17   

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

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