Local Calling Guide

Area code/prefix search

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NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 879

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-879 A Grand Prairie TX DLLSTXRIXIZ  9748 AMERICAN MESSAGING SERVICES, LLC 552      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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