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Worthington, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-429 A RSTWMDRSDS0  9212 VERIZON MARYLAND, INC. 238      
410-429 0   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-429 1   876D ONVOY, LLC - MD 238   2016-04-11   
410-429 2   876D ONVOY, LLC - MD 238   2016-04-11   
410-429 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-31   
410-429 4   9212 VERIZON MARYLAND, INC. 238      
410-429 5   9212 VERIZON MARYLAND, INC. 238      
410-429 6   318J COMCAST IP PHONE, LLC 238   2006-05-05   
410-429 7   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
410-429 8   073H TELNYX LLC 238   2017-04-26   
410-429 9   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-31   
443-218 A   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-218 0   145J TERRA NOVA TELECOM INC. 238   2024-11-11   
443-218 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-05   
443-218 3   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-09-04   
443-218 5   073H TELNYX LLC 238   2023-08-12   
443-218 6   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-218 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-11-20   
443-218 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2006-08-07   
443-218 9   876D ONVOY, LLC - MD 238   2020-04-30   
443-222 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-222 0   876D ONVOY, LLC - MD 238   2020-04-30   
443-222 1   876D ONVOY, LLC - MD 238   2020-04-30   
443-222 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-03   
443-222 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-222 4   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-222 5   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-222 6   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
443-222 7   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
443-222 8   876D ONVOY, LLC - MD 238   2019-02-19   
443-222 9   876D ONVOY, LLC - MD 238   2019-02-19   
443-767 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-767 0   829J PAETEC ITEL, LLC 238      
443-767 1   876D ONVOY, LLC - MD 238   2020-06-11   
443-767 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-04-02   
443-767 3   876D ONVOY, LLC - MD 238   2020-06-11   
443-767 4   876D ONVOY, LLC - MD 238   2012-10-08   
443-767 6   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
443-767 7   829J PAETEC ITEL, LLC 238   2008-09-08   
443-767 8   829J PAETEC ITEL, LLC 238      
443-767 9   829J PAETEC ITEL, LLC 238      
443-914 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-914 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2002-11-25   
443-914 1   829J PAETEC ITEL, LLC 238   2004-01-10   
443-914 2   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-07-07   
443-914 3   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-07-06   
443-914 4   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2017-06-05   
443-914 5   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-20   
443-914 6   508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-914 7   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-914 8   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-914 9   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-887 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-887 1   624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-887 2   624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-887 3   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2025-09-02   
667-887 4   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2025-09-02   
667-887 5   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2025-09-02   
667-887 6   876D ONVOY, LLC - MD 238   2021-05-22   
667-887 7   624H ONVOY SPECTRUM, LLC 238   2021-05-23   

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

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