Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 559

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-559 A Dallas TX DLLSTXFLDS0  9533 SOUTHWESTERN BELL 552      
972-559 0 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   
972-559 1 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-11-06   
972-559 2 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-11-06   
972-559 3 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-11-06   
972-559 4 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-04-28   
972-559 5 Dallas TX DLLSTXFLDS0  9533 SOUTHWESTERN BELL 552      
972-559 6 Dallas TX DLLSTXFLDS0  9533 SOUTHWESTERN BELL 552      
972-559 7 Dallas TX DLLSTXFLDS0  9533 SOUTHWESTERN BELL 552      
972-559 8 Dallas TX DLLSTXSQDS4  327E YMAX COMMUNICATIONS CORP. - TX 552   2009-10-05   
972-559 9 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   

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

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