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Glenwood, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-489 A GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 0   9212 VERIZON MARYLAND, INC. 238      
410-489 1   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
410-489 2   9212 VERIZON MARYLAND, INC. 238      
410-489 3   876D ONVOY, LLC - MD 238   2016-04-04   
410-489 4   9212 VERIZON MARYLAND, INC. 238      
410-489 5   9212 VERIZON MARYLAND, INC. 238      
410-489 6   9212 VERIZON MARYLAND, INC. 238      
410-489 7   9212 VERIZON MARYLAND, INC. 238      
410-489 8   829J PAETEC ITEL, LLC 238   2003-02-26   
410-489 9   9212 VERIZON MARYLAND, INC. 238      
443-266 A   071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-266 0   145J TERRA NOVA TELECOM INC. 238   2024-09-12   
443-266 2   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-01-04   
443-266 3   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-04   
443-266 5   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-03-31   
443-266 6   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-21   
443-266 7   318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-266 8   071F BANDWIDTH.COM CLEC, LLC - MD 238   2016-07-21   
443-266 9   876D ONVOY, LLC - MD 238   2012-10-07   
443-419 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-419 0   829J PAETEC ITEL, LLC 238      
443-419 1   829J PAETEC ITEL, LLC 238   2004-03-09   
443-419 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
443-419 3   829J PAETEC ITEL, LLC 238   2006-04-24   
443-419 4   876D ONVOY, LLC - MD 238   2024-03-03   
443-419 5   318J COMCAST IP PHONE, LLC 238   2015-04-20   
443-419 6   876D ONVOY, LLC - MD 238   2016-04-04   
443-419 7   876D ONVOY, LLC - MD 238   2016-04-04   
443-419 8   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
443-419 9   515J IP HORIZON LLC 238   2015-03-21   
443-441 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-441 0   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-441 1   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-441 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2016-10-16   
443-441 3   073H TELNYX LLC 238   2017-04-26   
443-441 4   145J TERRA NOVA TELECOM INC. 238   2024-02-15   
443-441 5   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2018-01-22   
443-441 6   876D ONVOY, LLC - MD 238   2024-04-21   
443-441 7   508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-441 8   515J IP HORIZON LLC 238   2016-05-31   
443-441 9   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-476 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-476 0   624H ONVOY SPECTRUM, LLC 238   2022-02-04   
667-476 1   624H ONVOY SPECTRUM, LLC 238   2022-02-04   
667-476 2   876D ONVOY, LLC - MD 238   2021-07-11   
667-476 3   876D ONVOY, LLC - MD 238   2021-07-11   
667-476 4   624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-476 5   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2021-07-12   
667-476 6   876D ONVOY, LLC - MD 238   2021-05-23   
667-476 7   876D ONVOY, LLC - MD 238   2021-05-22   
667-476 8   876D ONVOY, LLC - MD 238   2021-05-23   
667-476 9   876D ONVOY, LLC - MD 238   2021-05-23   
667-722 A BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-722 0   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-722 1   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-722 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-722 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-722 4   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-722 5   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-722 6   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-722 7   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-722 8   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-05-06   
667-722 9   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-30   
667-746 A BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-746 0   876D ONVOY, LLC - MD 238   2023-10-22   
667-746 1   876D ONVOY, LLC - MD 238   2023-10-22   
667-746 2   876D ONVOY, LLC - MD 238   2023-10-22   
667-746 3   876D ONVOY, LLC - MD 238   2023-10-22   
667-746 4   876D ONVOY, LLC - MD 238   2023-10-22   
667-746 7   516J TON80 COMMUNICATIONS, LLC 238   2022-04-25   

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

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