Local Calling Guide

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

NXX: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-607 A Irving TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-607 0 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2008-02-24   
972-607 1 Irving TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-607 2 Irving TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-607 3 Irving TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-01-24   
972-607 4 Irving TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-16   
972-607 5 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2007-01-12   
972-607 6 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2007-01-12   
972-607 7 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-10-13   
972-607 8 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-10-13   
972-607 9 Irving TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-16   

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

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