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 0 Dallas TX   490J BOOST SUBSCRIBERCO L.L.C. 552   2026-04-21   
972-328 1 Dallas TX   128L E. RITTER COMMUNICATIONS, LLC 552   2026-02-19   
972-328 2 Dallas TX   490J BOOST SUBSCRIBERCO L.L.C. 552   2026-05-19   
972-328 3 Dallas TX   490J BOOST SUBSCRIBERCO L.L.C. 552   2026-06-23   
972-328 4 Dallas TX   490J BOOST SUBSCRIBERCO L.L.C. 552   2026-07-21   
972-328 5 Dallas TX   490J BOOST SUBSCRIBERCO L.L.C. 552   2026-08-24   
972-328 6 Dallas TX   321J HD CARRIER LLC 552   2026-03-14   
972-328 7 Dallas TX   321J HD CARRIER LLC 552   2026-03-14   
972-328 8 Dallas TX   321J HD CARRIER LLC 552   2026-03-14   

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

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