Local Calling Guide

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

NXX: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-600 A Irving TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-600 0 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-03-17   
972-600 1 Irving TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-10-07   
972-600 2 Irving TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2007-09-02   
972-600 3 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-02-19   
972-600 4 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-02-19   
972-600 5 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-02-19   
972-600 6 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-02-19   
972-600 7 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-02-19   
972-600 8 Irving TX IRNGTXXBXQX  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2008-03-20   
972-600 9 Irving TX IRNGTXXBXQX  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2008-03-20   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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