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
972-649 0 Allen TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-649 5 Allen TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-649 9 Allen TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-656 A Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-656 2 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-656 3 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-656 4 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-08-24   
972-656 5 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-08-24   
972-656 6 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-12-18   
972-656 7 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-12-18   
972-656 8 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-12-18   
972-707 A Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-707 5 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2011-10-20   
972-707 6 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2011-10-20   
972-725 A Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 0 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 1 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 2 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 3 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 4 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 5 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 6 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-725 9 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-728 A Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 A Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 1 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 2 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 3 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 4 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 5 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 6 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 7 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-737 A Allen TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-737 3 Allen TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2015-01-17   
972-737 6 Allen TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2016-11-09   
972-749 A Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-773 3 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-19   
972-773 8 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-19   
972-794 A Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-807 A Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-807 1 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-807 4 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-810 A Carrollton TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-810 5 Carrollton TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2011-09-11   
972-810 6 Carrollton TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2013-01-23   
972-813 A Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 0 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 1 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 2 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 3 Dallas TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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