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Plano, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
972-265 9 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-02-21   
972-271 A GRLDTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-272 A GRLDTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-276 A GRLDTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-278 A GRLDTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-295 A WYLITXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-295 0 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2019-01-10   
972-295 1 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-11-11   
972-295 2 WYLITXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-295 3 WYLITXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-295 4   6529 T-MOBILE USA, INC. 552   2025-06-01   
972-295 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-07-11   
972-295 6 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2006-08-24   
972-295 7 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2006-11-10   
972-295 8 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-09-28   
972-295 9 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-11-20   
972-303 A GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 0 GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 1 GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 2 GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 3 GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 4 GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 5 GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 6 GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 7 GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-303 8 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2009-02-04   
972-303 9 GRLDTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-309 A ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 0 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 1 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 2 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 3 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2010-01-11   
972-309 4 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 5 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 6 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 7 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 8 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-309 9 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2008-10-07   
972-312 A ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-312 0 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-312 1 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-312 2 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2007-11-11   
972-312 3 IRNGTXXBXQY  624H ONVOY SPECTRUM, LLC 552   2021-12-17   
972-312 4 IRNGTXXBXQY  624H ONVOY SPECTRUM, LLC 552   2021-12-17   
972-312 5 IRNGTXXBXQY  624H ONVOY SPECTRUM, LLC 552   2021-12-17   
972-312 6 IRNGTXXBXQY  624H ONVOY SPECTRUM, LLC 552   2021-12-17   
972-312 7 IRNGTXXBXQY  624H ONVOY SPECTRUM, LLC 552   2021-12-17   
972-312 8 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-312 9 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-372 A DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-372 0 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-01-12   
972-372 1 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-372 2 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2007-07-31   
972-372 3 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-11-11   
972-372 4 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-11-18   
972-372 5 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-372 6 ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2010-12-18   
972-372 7 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-11-11   
972-372 8 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-11-11   
972-372 9 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-02-24   
972-378 A PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-379 A PLANTXXADS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-379 0 PLANTXXADS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-379 1 PLANTXXADS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-379 2 PLANTXXADS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-379 3 PLANTXXADS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-379 4 PLANTXXADS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-379 5 PLANTXXADS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-379 6 PLANTXXADS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-379 7 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-02-24   
972-379 8 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-02-24   
972-379 9 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-02-24   
972-384 A FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
972-398 A ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-403 A PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 0 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 1 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 2 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 3 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 4 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-09-28   
972-403 5 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 6 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-11-11   
972-403 7 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 8 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 9 PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-412 A RWLTTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-414 A GRLDTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-422 A PLANTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-423 A PLANTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-424 A PLANTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-429 A WYLITXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-431 A FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 0 DLLATX37EMD  197D VONAGE AMERICA LLC 552   2023-10-18   
972-431 1 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 2 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 3 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 4 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 5 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 6 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 7 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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