Local Calling Guide

Area code/prefix search

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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   903C ONVOY, LLC - TX 552      
817-553 0 Euless TX   903C ONVOY, LLC - TX 552   2026-06-13   
817-553 1 Euless TX   903C ONVOY, LLC - TX 552      
817-553 2 Euless TX   903C ONVOY, LLC - TX 552      
817-553 8 Euless TX   903C ONVOY, LLC - TX 552      
817-553 9 Euless TX   903C ONVOY, LLC - TX 552   2026-06-13   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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