Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 786

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-786 A Irving TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-786 0 Irving TX   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-786 1 Irving TX   5562 METROPCS, INC. 552   2006-03-26   
972-786 2 Irving TX   5562 METROPCS, INC. 552   2005-06-01   
972-786 3 Irving TX   5562 METROPCS, INC. 552   2004-11-19   
972-786 4 Irving TX   5562 METROPCS, INC. 552   2004-11-19   
972-786 5 Irving TX   5562 METROPCS, INC. 552   2004-11-19   
972-786 6 Irving TX   5562 METROPCS, INC. 552   2004-10-04   
972-786 7 Irving TX   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-786 8 Irving TX   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-786 9 Irving TX   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      

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

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