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Herndon, VA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
571-519 5   515J IP HORIZON LLC 236   2021-08-21   
571-519 6   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2021-08-19   
571-519 7   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2021-08-19   
571-519 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-05-08   
571-519 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-02-06   
571-520 A VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-520 0   138E ONVOY, LLC - VA 236   2020-10-03   
571-520 1   138E ONVOY, LLC - VA 236   2020-07-10   
571-520 2   138E ONVOY, LLC - VA 236   2020-07-10   
571-520 3   138E ONVOY, LLC - VA 236   2020-07-10   
571-520 4   138E ONVOY, LLC - VA 236   2020-07-10   
571-520 5   138E ONVOY, LLC - VA 236   2020-07-10   
571-520 6   138E ONVOY, LLC - VA 236   2020-10-03   
571-520 7   138E ONVOY, LLC - VA 236   2020-10-03   
571-520 8   138E ONVOY, LLC - VA 236   2020-10-03   
571-520 9   138E ONVOY, LLC - VA 236   2020-10-03   
571-521 A   829J PAETEC ITEL, LLC 236   2025-04-02   
571-521 0   829J PAETEC ITEL, LLC 236      
571-521 1   829J PAETEC ITEL, LLC 236      
571-521 2   829J PAETEC ITEL, LLC 236      
571-521 3   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2020-08-21   
571-521 4   138E ONVOY, LLC - VA 236   2024-12-13   
571-521 5   829J PAETEC ITEL, LLC 236      
571-521 6   829J PAETEC ITEL, LLC 236      
571-521 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2006-03-07   
571-521 8   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2006-05-11   
571-521 9   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2006-04-27   
571-523 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-523 0   551G NUSO, LLC 236   2018-07-31   
571-523 1   318J COMCAST IP PHONE, LLC 236   2018-07-27   
571-523 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-08-14   
571-523 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-09-20   
571-523 4   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2018-09-09   
571-523 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-09-20   
571-523 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-09-20   
571-523 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-07-26   
571-523 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-07-26   
571-523 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-07-26   
571-524 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-524 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-08-19   
571-524 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-525 A ARTNVACY2MD  726H AIRUS, INC. - VA 236      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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