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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 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-429 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-11   
410-429 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-11   
410-429 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-31   
410-429 4 RSTWMDRSDS0  9212 VERIZON MARYLAND, INC. 238      
410-429 5 RSTWMDRSDS0  9212 VERIZON MARYLAND, INC. 238      
410-429 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-05-05   
410-429 7 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
410-429 8 BLTMMDCHX7X  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 BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2024-11-11   
443-218 2 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-05   
443-218 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-09-04   
443-218 5 BLTMMDCHX7X  073H TELNYX LLC 238   2023-08-12   
443-218 6 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-218 7 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-11-20   
443-218 8 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2006-08-07   
443-218 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-04-30   
443-222 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-222 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-04-30   
443-222 1 BLTMMDCH42Z  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 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2019-02-19   
443-222 9 BLTMMDCH42Z  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 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-06-11   
443-767 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-04-02   
443-767 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-06-11   
443-767 4 BLTMMDCH42Z  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 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2002-11-25   
443-914 1   829J PAETEC ITEL, LLC 238   2004-01-10   
443-914 2 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-07-07   
443-914 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-07-06   
443-914 4 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2017-06-05   
443-914 5 BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-20   
443-914 6 BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-914 7 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-914 8 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-914 9 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-887 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-887 1 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-887 2 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-887 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-22   
667-887 7 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-23   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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