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Brandywine, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-250 A WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-250 0   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-681 A   829J PAETEC ITEL, LLC 236   2025-04-02   
240-681 0   5562 METROPCS, INC. 236   2020-01-24   
240-681 1   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-06-26   
240-681 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-10-25   
240-681 3   318J COMCAST IP PHONE, LLC 236   2006-06-23   
240-681 4   5562 METROPCS, INC. 236   2013-06-14   
240-681 5   5562 METROPCS, INC. 236   2014-11-16   
240-681 6   829J PAETEC ITEL, LLC 236      
240-681 7   318J COMCAST IP PHONE, LLC 236   2015-04-10   
240-681 8   5562 METROPCS, INC. 236   2016-02-04   
240-681 9   071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-685 A   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-685 1   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-685 2   071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-685 3   145J TERRA NOVA TELECOM INC. 236   2024-09-11   
240-685 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-685 5   876D ONVOY, LLC - MD 236   2024-03-07   
240-685 6   071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-06-16   
240-685 7   876D ONVOY, LLC - MD 236   2013-05-29   
240-685 8   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2010-08-15   
240-685 9   876D ONVOY, LLC - MD 236   2012-10-06   
240-746 A WASHDCSWDS8  7421 AT&T - LOCAL 236      
240-746 0   876D ONVOY, LLC - MD 236   2025-10-12   
240-746 1   071F BANDWIDTH.COM CLEC, LLC - MD 236   2021-07-19   
240-746 2   071F BANDWIDTH.COM CLEC, LLC - MD 236   2021-07-19   
240-746 3   516J TON80 COMMUNICATIONS, LLC 236   2021-09-04   
240-746 4   624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-746 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-09-16   
240-746 6   876D ONVOY, LLC - MD 236   2021-04-02   
240-746 7   876D ONVOY, LLC - MD 236   2021-04-02   
240-746 8   876D ONVOY, LLC - MD 236   2021-04-02   
240-746 9   7421 AT&T - LOCAL 236   2021-02-04   
240-787 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-787 0   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-787 1   5562 METROPCS, INC. 236   2021-10-14   
240-787 2   5562 METROPCS, INC. 236   2018-12-31   
240-787 3   624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-787 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-28   
240-787 5   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
240-787 6   876D ONVOY, LLC - MD 236   2016-04-28   
240-787 7   876D ONVOY, LLC - MD 236   2015-06-27   
240-787 8   515J IP HORIZON LLC 236   2015-03-21   
240-787 9   5562 METROPCS, INC. 236   2021-12-15   
240-799 A ARTNVAARXBY  965H FRACTEL, LLC 236      
240-799 0   073H TELNYX LLC 236   2021-03-04   
240-799 1   071F BANDWIDTH.COM CLEC, LLC - MD 236   2021-09-18   
240-799 2   071F BANDWIDTH.COM CLEC, LLC - MD 236   2021-09-18   
240-799 3   5562 METROPCS, INC. 236   2021-10-21   
240-799 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-18   
240-799 5   5562 METROPCS, INC. 236   2022-11-14   
240-799 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-12-02   
240-799 8   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-10-30   
240-799 9   965H FRACTEL, LLC 236   2020-08-25   
240-823 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-823 0   145J TERRA NOVA TELECOM INC. 236   2025-05-07   
240-823 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-14   
240-823 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-14   
240-823 3   145J TERRA NOVA TELECOM INC. 236   2024-02-03   
240-823 4   876D ONVOY, LLC - MD 236   2014-10-28   
240-823 5   876D ONVOY, LLC - MD 236   2014-10-28   
240-823 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-823 7   318J COMCAST IP PHONE, LLC 236   2011-11-11   
240-823 8   876D ONVOY, LLC - MD 236   2016-04-28   
240-823 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-14   
240-905 A BTVLMD12CMA  5562 METROPCS, INC. 236      
240-905 4   624H ONVOY SPECTRUM, LLC 236   2022-03-04   
240-905 5   624H ONVOY SPECTRUM, LLC 236   2022-03-04   
240-905 8   876D ONVOY, LLC - MD 236   2023-07-14   
240-905 9   5562 METROPCS, INC. 236   2022-03-03   
301-242 A WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-242 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-242 1   5562 METROPCS, INC. 236   2019-10-13   
301-242 2   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2015-06-05   
301-242 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-01-15   
301-242 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-28   
301-242 5   829J PAETEC ITEL, LLC 236   2003-03-01   
301-242 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-28   
301-242 7   508J CENTURYLINK COMMUNICATIONS, LLC 236   2014-06-25   
301-242 8   515J IP HORIZON LLC 236   2016-05-31   
301-242 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-579 A BADNMDBNRS0  9212 VERIZON MARYLAND, INC. 236      
301-579 0   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2019-12-16   
301-579 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-579 2   9212 VERIZON MARYLAND, INC. 236      
301-579 3   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
301-579 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-03-24   
301-579 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-12-13   
301-579 6   9212 VERIZON MARYLAND, INC. 236      
301-579 7   876D ONVOY, LLC - MD 236   2016-03-03   
301-579 8   876D ONVOY, LLC - MD 236   2016-03-03   
301-579 9   9212 VERIZON MARYLAND, INC. 236      
301-720 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-720 0   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
301-720 1   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
301-720 2   5562 METROPCS, INC. 236   2019-07-11   
301-720 3   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-720 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-720 5   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   

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

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