You are reviewing the Area Code (NPA/NXX) report for 972-521. Did you mean to search the SMS short code 972521?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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972-521-0XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | ALLEN | RT | | ALLEN | TX | SW | |
972-521-1XXX | 004F | BANDWIDTH.COM CLEC, LLC - TX | ALLEN | AS | 03/27/2012 | ALLEN | TX | SW | 04/26/2012 |
972-521-2XXX | 0701 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | ALLEN | AS | 03/25/2014 | ALLEN | TX | SW | 04/21/2014 |
972-521-3XXX | 903C | ONVOY, LLC - TX | ALLEN | AS | 09/13/2012 | ALLEN | TX | SW | 10/11/2012 |
972-521-4XXX | 903C | ONVOY, LLC - TX | ALLEN | AS | 11/12/2013 | ALLEN | TX | SW | 12/09/2013 |
972-521-5XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | ALLEN | RT | | ALLEN | TX | SW | |
972-521-6XXX | 903C | ONVOY, LLC - TX | ALLEN | AS | 11/12/2013 | ALLEN | TX | SW | 12/09/2013 |
972-521-7XXX | 903C | ONVOY, LLC - TX | ALLEN | AS | 07/08/2008 | ALLEN | TX | SW | 08/02/2008 |
972-521-8XXX | 004F | BANDWIDTH.COM CLEC, LLC - TX | ALLEN | AS | 04/25/2011 | ALLEN | TX | SW | 05/22/2011 |
972-521-9XXX | 004F | BANDWIDTH.COM CLEC, LLC - TX | ALLEN | AS | 04/25/2011 | ALLEN | TX | SW | 05/22/2011 |
972-521-XXXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | ALLEN | AS | | ALLEN | TX | | |
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