Local Calling Guide

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

NXX: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-665 A Fort Worth TX DLLSTX978MD  8413 ALLEGIANCE TELECOM, INC. - TX 552      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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