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: 815

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-815 A Irving TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-815 0 Irving TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-815 1 Irving TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-09-17   
972-815 2 Irving TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-815 3 Irving TX   5562 METROPCS, INC. 552   2006-08-28   
972-815 4 Irving TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-815 5 Irving TX   5562 METROPCS, INC. 552   2006-08-28   
972-815 6 Irving TX   5562 METROPCS, INC. 552   2006-08-28   
972-815 7 Irving TX   5562 METROPCS, INC. 552   2006-08-28   
972-815 8 Irving TX   5562 METROPCS, INC. 552   2006-08-28   
972-815 9 Irving TX   5562 METROPCS, INC. 552   2006-08-28   

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

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