Local Calling Guide

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

NXX: 906

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-906 A Lewisville TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 0 Lewisville TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 1 Lewisville TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 2 Lewisville TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 3 Lewisville TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 4 Lewisville TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 5 Lewisville TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 6 Lewisville TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 7 Lewisville TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 8 Lewisville TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2006-03-03   
972-906 9 Lewisville TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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