Local Calling Guide

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

NXX: 853

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-853 A Mansfield TX DLLSTXBKDS1  7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX 552      

Last updated: Tue, 15 Nov 2022 00:10:00 UTC

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