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Gaithersburg, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-720 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-11-01   
240-720 7   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-720 8   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-720 9   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-750 A BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-750 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-01-13   
240-750 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-06-27   
240-750 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-06-27   
240-750 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-04-20   
240-750 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-04-20   
240-750 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-04-14   
240-750 6   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-09-17   
240-750 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   
240-750 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   
240-750 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   
240-751 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-751 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-11-20   
240-751 1   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-751 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-07-30   
240-751 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-07-30   
240-751 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-01-12   
240-751 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-11-20   
240-751 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-11-20   
240-751 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-11-20   
240-751 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-11-20   
240-751 9   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-05-23   
240-780 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-780 0   515J IP HORIZON LLC 236   2013-09-07   
240-780 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-14   
240-780 2   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-29   
240-780 3   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-780 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-780 5   876D ONVOY, LLC - MD 236   2021-07-12   
240-780 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-14   
240-780 7   318J COMCAST IP PHONE, LLC 236   2012-10-07   
240-780 8   071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-19   
240-780 9   939H COMMIO, LLC 236   2021-07-12   
240-793 A BTVLMD12CMA  5562 METROPCS, INC. 236      
240-793 0   5562 METROPCS, INC. 236      
240-793 1   5562 METROPCS, INC. 236      
240-793 2   5562 METROPCS, INC. 236   2002-08-26   
240-793 3   5562 METROPCS, INC. 236   2002-08-26   
240-793 4   5562 METROPCS, INC. 236      
240-793 5   5562 METROPCS, INC. 236      
240-793 6   5562 METROPCS, INC. 236      
240-793 7   5562 METROPCS, INC. 236      
240-793 8   5562 METROPCS, INC. 236      
240-793 9   5562 METROPCS, INC. 236      
240-798 A VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-798 0   5562 METROPCS, INC. 236   2021-11-01   
240-798 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-11-01   
240-798 2   876D ONVOY, LLC - MD 236   2021-10-31   
240-798 3   876D ONVOY, LLC - MD 236   2021-10-31   
240-798 4   516J TON80 COMMUNICATIONS, LLC 236   2021-11-01   
240-798 5   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
240-798 6   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
240-798 7   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
240-798 8   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-08-20   
240-798 9   624H ONVOY SPECTRUM, LLC 236   2021-11-14   
240-801 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-801 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2013-12-02   
240-801 1   5562 METROPCS, INC. 236   2014-08-12   
240-801 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-02-28   
240-801 3   876D ONVOY, LLC - MD 236   2015-06-27   
240-801 4   318J COMCAST IP PHONE, LLC 236   2014-04-25   
240-801 5   071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-05-30   
240-801 6   071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-05-30   
240-801 7   071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-05-30   
240-801 8   318J COMCAST IP PHONE, LLC 236   2014-06-20   
240-801 9   318J COMCAST IP PHONE, LLC 236   2014-07-10   
240-805 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-805 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-01-16   
240-805 1   829J PAETEC ITEL, LLC 236   2016-07-13   
240-805 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-09-19   
240-805 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-10-02   
240-805 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-03-11   
240-805 5   318J COMCAST IP PHONE, LLC 236   2016-01-17   
240-805 6   197D VONAGE AMERICA LLC 236   2018-12-24   
240-805 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-01-08   
240-805 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-07-25   
240-805 9   964H BARR TELL USA, INC. 236   2016-11-30   
240-813 A   829J PAETEC ITEL, LLC 236   2025-04-02   
240-813 0   071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-813 1   829J PAETEC ITEL, LLC 236   2008-03-24   
240-813 2   829J PAETEC ITEL, LLC 236   2007-07-23   
240-813 3   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-813 4   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-813 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-04-26   
240-813 6   829J PAETEC ITEL, LLC 236      
240-813 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2009-12-22   
240-813 8   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-01-21   
240-813 9   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-848 A BTVLMD12CMA  5562 METROPCS, INC. 236      
240-848 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-02-10   
240-848 1   5562 METROPCS, INC. 236   2004-07-12   
240-848 2   5562 METROPCS, INC. 236   2004-12-27   
240-848 3   5562 METROPCS, INC. 236   2004-12-27   
240-848 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-03-28   
240-848 5   5562 METROPCS, INC. 236   2005-04-20   
240-848 6   5562 METROPCS, INC. 236   2005-09-19   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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