Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
972-827 A Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-827 0 Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-827 1 Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-827 2 Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-827 3 Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-827 9 Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-829 8 Lewisville TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2002-12-03   
972-836 A Plano TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-836 0 Plano TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-836 1 Plano TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-852 A Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-890 A Grand Prairie TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-890 0 Grand Prairie TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-891 A Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-891 3 Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-891 7 Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-04-25   
972-905 7 Plano TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2011-06-11   
972-913 7 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-03-25   
972-941 3 Plano TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-04-15   
972-941 4 Plano TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-04-15   
972-947 3 Dallas Fort Worth Airport TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-05-04   
972-947 4 Dallas Fort Worth Airport TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2011-04-21   
972-957 A Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-957 0 Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-957 2 Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-957 4 Irving TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-972 1 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2017-12-18   
972-972 2 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2017-12-18   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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