Local Calling Guide

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

NXX: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-521 A Allen EACS TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-521 0 Allen EACS TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-521 1 Allen EACS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-04-26   
972-521 2 Allen EACS TX IRNGTXXBPSB  0701 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2014-04-21   
972-521 3 Allen EACS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-10-11   
972-521 4 Allen EACS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-09   
972-521 5 Allen EACS TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-521 6 Allen EACS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-09   
972-521 7 Allen EACS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2008-08-02   
972-521 8 Allen EACS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-22   
972-521 9 Allen EACS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-22   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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