Local Calling Guide

Area code/prefix search

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

NXX: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-256 A Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-256 0 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-256 1 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-256 2 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-256 3 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-256 4 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-256 5 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-256 6 Irving EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-09-27   
972-256 7 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-256 8 Irving EMS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-12-30   
972-256 9 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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