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: 755

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-755 A Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-755 0 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-755 1 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-09-24   
972-755 2 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-755 3 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-10-25   
972-755 4 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-07-29   
972-755 5 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-06-20   
972-755 6 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-06-20   
972-755 7 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-06-20   
972-755 8 Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-06-20   
972-755 9 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-09-10   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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