Local Calling Guide

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

NXX: 553

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-553 A Euless TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-553 0 Euless TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2026-06-13   
817-553 1 Euless TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-553 2 Euless TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-553 4 Euless TX DLLTTX01IMD  5562 METROPCS, INC. 552   2026-07-12   
817-553 7 Euless TX   903C ONVOY, LLC - TX 552   2026-09-04   
817-553 8 Euless TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-553 9 Euless TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2026-06-13   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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