Local Calling Guide

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

NXX: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-328 A Dallas TX   128L E. RITTER COMMUNICATIONS, LLC 552   2026-02-19   
972-328 1 Dallas TX   128L E. RITTER COMMUNICATIONS, LLC 552   2026-02-19   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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