Local Calling Guide

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

NXX: 838

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-838 A McKinney EMS TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      
972-838 0 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2006-01-12   
972-838 1 McKinney EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2004-02-08   
972-838 2 McKinney EMS TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      
972-838 3 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-03-28   
972-838 4 McKinney EMS TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      
972-838 5 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-12-22   
972-838 6 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-09-16   
972-838 7 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-03-07   
972-838 8 McKinney EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2005-01-14   
972-838 9 McKinney EMS TX MCKNTXTERS1  9533 SOUTHWESTERN BELL 552      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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