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Essex, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-579 5 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-579 6 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-07-17   
443-579 7 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-579 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-26   
443-579 9 PIVLMDPKXEX  829J PAETEC ITEL, LLC 238      
443-596 A BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-596 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-25   
443-596 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2020-04-06   
443-596 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
443-596 3 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2017-08-16   
443-596 4 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-10-20   
443-596 5 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-10-20   
443-596 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2018-05-27   
443-596 7 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-06-11   
443-596 8 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2018-09-28   
443-596 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-25   
443-600 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 0 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 2 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-04-15   
443-600 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-08-13   
443-600 4 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-10-09   
443-600 5 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-21   
443-600 6 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 7 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-03-30   
443-600 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-05-06   
443-600 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-648 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-648 0 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-12-09   
443-648 1 CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-08-23   
443-648 2 PIVLMDPKXEX  829J PAETEC ITEL, LLC 238   2007-06-15   
443-648 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-07-02   
443-648 4 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-648 5 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   
443-648 6 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-04-12   
443-648 7 BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-648 8   515J IP HORIZON LLC 238   2013-09-06   
443-648 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-07   
443-730 A PIVLMDPKXEX  829J PAETEC ITEL, LLC 238   2025-04-01   
443-730 0 PIVLMDPKXEX  829J PAETEC ITEL, LLC 238      
443-730 1 PIVLMDPKXEX  829J PAETEC ITEL, LLC 238      
443-730 2 PIVLMDPKXEX  829J PAETEC ITEL, LLC 238      
443-730 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-08-14   
443-730 4 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-08-14   
443-730 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-01-14   
443-730 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2016-03-29   
443-730 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-27   
443-730 8 PIVLMDPKXEX  829J PAETEC ITEL, LLC 238      
443-730 9 PIVLMDPKXEX  829J PAETEC ITEL, LLC 238      
443-772 A PIVLMDPKXGX  829J PAETEC ITEL, LLC 238   2025-04-01   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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