Local Calling Guide

Area code/prefix search

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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 409

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-409 A Alvarado TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-409 0 Alvarado TX   515J IP HORIZON LLC 552   2017-12-15   
817-409 1 Alvarado TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-03-24   
817-409 2 Alvarado TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-12-02   
817-409 3 Alvarado TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-02-16   
817-409 4 Alvarado TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2014-10-03   
817-409 5 Alvarado TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-14   
817-409 6 Alvarado TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2014-10-03   
817-409 7 Alvarado TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2011-11-25   
817-409 8 Alvarado TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-05-18   
817-409 9 Alvarado TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-11-08   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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