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Randallstown, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-496 A RNTWMDRARP0  9212 VERIZON MARYLAND, INC. 238      
410-521 A RNTWMDRARP0  9212 VERIZON MARYLAND, INC. 238      
410-655 A RNTWMDRARP0  9212 VERIZON MARYLAND, INC. 238      
410-701 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-701 0   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-701 1   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-16   
410-701 2   876D ONVOY, LLC - MD 238   2016-04-06   
410-701 3   876D ONVOY, LLC - MD 238   2016-04-06   
410-701 4   9212 VERIZON MARYLAND, INC. 238   2003-08-01   
410-701 5   829J PAETEC ITEL, LLC 238   2005-07-04   
410-701 6   829J PAETEC ITEL, LLC 238   2009-05-02   
410-701 7   318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-701 8   318J COMCAST IP PHONE, LLC 238   2007-06-29   
410-701 9   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-922 A RNTWMDRARP0  9212 VERIZON MARYLAND, INC. 238      
443-272 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-272 0   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-04-02   
443-272 1   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-11-29   
443-272 2   318J COMCAST IP PHONE, LLC 238   2014-08-11   
443-272 3   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-272 4   876D ONVOY, LLC - MD 238   2012-10-08   
443-272 5   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
443-272 6   318J COMCAST IP PHONE, LLC 238   2013-10-04   
443-272 7   318J COMCAST IP PHONE, LLC 238   2008-04-08   
443-272 8   515J IP HORIZON LLC 238   2015-03-23   
443-272 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-04-19   
443-405 A   318J COMCAST IP PHONE, LLC 238      
443-405 0   071F BANDWIDTH.COM CLEC, LLC - MD 238   2024-11-10   
443-405 2   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-03   
443-405 3   318J COMCAST IP PHONE, LLC 238   2006-09-27   
443-405 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-04-30   
443-405 6   318J COMCAST IP PHONE, LLC 238   2018-11-29   
443-405 7   318J COMCAST IP PHONE, LLC 238   2011-12-10   
443-405 8   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-405 9   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-426 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-426 0   829J PAETEC ITEL, LLC 238      
443-426 1   829J PAETEC ITEL, LLC 238      
443-426 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-12   
443-426 3   624H ONVOY SPECTRUM, LLC 238   2021-05-23   
443-426 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-08-20   
443-426 5   829J PAETEC ITEL, LLC 238   2003-03-04   
443-426 6   829J PAETEC ITEL, LLC 238   2006-03-18   
443-426 7   829J PAETEC ITEL, LLC 238   2004-06-25   
443-426 8   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-05   
443-426 9   829J PAETEC ITEL, LLC 238      
443-431 A BLTQMD01BMD  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-431 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2020-04-06   
443-431 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-05-14   
443-431 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-31   
443-431 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-24   
443-431 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-24   
443-431 5   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-431 6   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-431 7   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-431 8   071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-10-19   
443-431 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-08-27   
443-565 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-565 0   829J PAETEC ITEL, LLC 238      
443-565 1   829J PAETEC ITEL, LLC 238      
443-565 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-10-09   
443-565 4   876D ONVOY, LLC - MD 238   2016-04-28   
443-565 6   876D ONVOY, LLC - MD 238   2016-04-28   
443-565 7   508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-565 8   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2021-03-24   
443-565 9   829J PAETEC ITEL, LLC 238      
443-576 A BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-576 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-576 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-576 2   876D ONVOY, LLC - MD 238   2016-03-14   
443-576 3   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-10-01   
443-576 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-576 5   876D ONVOY, LLC - MD 238   2016-03-14   
443-576 6   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-06-26   
443-576 8   515J IP HORIZON LLC 238   2016-01-04   
443-576 9   073H TELNYX LLC 238   2017-04-25   
443-657 A BLTMMDSNNMD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-657 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-11-08   
443-657 1   515J IP HORIZON LLC 238   2016-10-14   
443-657 2   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-657 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-11-08   
443-657 6   145J TERRA NOVA TELECOM INC. 238   2024-02-15   
443-657 7   318J COMCAST IP PHONE, LLC 238   2015-11-14   
443-657 8   876D ONVOY, LLC - MD 238   2024-02-29   
443-657 9   876D ONVOY, LLC - MD 238   2024-02-29   
443-675 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-675 0   829J PAETEC ITEL, LLC 238      
443-675 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2020-06-11   
443-675 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-09-19   
443-675 3   876D ONVOY, LLC - MD 238   2025-10-30   
443-675 4   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-23   
443-675 5   964H BARR TELL USA, INC. 238   2016-12-17   
443-675 6   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-675 7   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-675 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-02-04   
443-675 9   829J PAETEC ITEL, LLC 238      
443-985 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-985 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-985 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-985 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-08-08   

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

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