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: 857

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-857 A Euless TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-857 0 Euless TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552   2018-05-28   
817-857 1 Euless TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-857 3 Euless TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-857 4 Euless TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2018-03-03   
817-857 5 Euless TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2018-05-10   
817-857 6 Euless TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-12-24   
817-857 7 Euless TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-06   
817-857 8 Euless TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-06   
817-857 9 Euless TX DLLSTX64DS3  4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 552   2003-07-21   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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