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OCN: 6119 LEVEL 3 COMMUNICATIONS, LLC - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-627 4 Baltimore MD BLTMMDSN6MD  238   2006-11-28   
443-627 5 Baltimore MD BLTMMDSN6MD  238   2006-11-28   
443-627 6 Baltimore MD BLTMMDSN6MD  238   2006-11-28   
443-627 7 Baltimore MD BLTMMDSN6MD  238   2007-02-07   
443-637 1 Armiger-Gibson Island MD BLTMMDSN6MD  238   2005-01-10   
443-637 4 Armiger-Gibson Island MD BLTMMDSN6MD  238   2003-02-20   
443-641 A Pikesville MD BLTMMDSN6MD  238      
443-641 1 Pikesville MD BLTMMDSN6MD  238      
443-641 9 Pikesville MD BLTMMDSN6MD  238      
443-652 6 Towson MD BLTMMDSN6MD  238   2016-07-22   
443-666 A Chestertown MD SLBRMDSBXFX  242      
443-666 3 Chestertown MD SLBRMDSBXFX  242   2012-08-02   
443-671 1 New Windsor MD BLTMMDSN6MD  238   2006-03-05   
443-672 2 Parkton MD BLTMMDSN6MD  238   2006-02-25   
443-674 0 North East MD BLTMMDSN6MD  238   2006-05-26   
443-679 5 Severn MD BLTMMDSN6MD  238   2008-06-18   
443-681 6 Baltimore MD BLTMMDSN6MD  238   2010-04-04   
443-681 7 Baltimore MD BLTMMDSN6MD  238   2010-04-04   
443-692 8 Baltimore MD BLTMMDSN6MD  238   2010-08-23   
443-693 0 Perryville MD BLTMMDSN6MD  238   2008-11-19   
443-693 5 Perryville MD BLTMMDSN6MD  238   2006-03-05   
443-701 3 Arbutus MD BLTMMDSN6MD  238   2005-01-08   
443-701 4 Arbutus MD BLTMMDSN6MD  238   2003-08-26   
443-701 5 Arbutus MD BLTMMDSN6MD  238   2005-01-08   
443-701 9 Arbutus MD BLTMMDSN6MD  238   2005-02-10   
443-709 5 Arbutus MD BLTMMDSN6MD  238   2005-02-11   
443-715 7 North East MD BLTMMDSN6MD  238   2008-05-16   
443-731 2 Port Deposit MD BLTMMDSN6MD  238   2006-03-05   
443-731 3 Port Deposit MD BLTMMDSN6MD  238   2008-11-19   
443-736 1 Salisbury MD SLBRMDSBXFX  242   2013-07-21   
443-736 2 Salisbury MD SLBRMDSBXFX  242   2011-04-16   
443-737 2 Waterloo MD BLTMMDSN6MD  238   2005-07-16   
443-737 4 Waterloo MD BLTMMDSN6MD  238   2004-02-07   
443-740 A Baltimore MD BLTMMDSN6MD  238      
443-740 2 Baltimore MD BLTMMDSN6MD  238   2005-03-20   
443-743 2 Baltimore MD BLTMMDSN6MD  238   2008-07-18   
443-743 3 Baltimore MD BLTMMDSN6MD  238   2008-07-18   
443-746 A Easton MD SLBRMDSBXFX  242      
443-746 0 Easton MD SLBRMDSBXFX  242   2010-02-20   
443-746 2 Easton MD SLBRMDSBXFX  242   2014-10-23   
443-746 3 Easton MD SLBRMDSBXFX  242      
443-759 3 Baltimore MD BLTMMDSN6MD  238   2008-02-08   
443-760 4 Aberdeen MD BLTMMDSN6MD  236   2012-01-14   
443-763 3 Glen Burnie MD BLTMMDSN6MD  238   2006-08-10   
443-763 4 Glen Burnie MD BLTMMDSN6MD  238   2005-08-13   
443-763 5 Glen Burnie MD BLTMMDSN6MD  238   2005-08-13   
443-798 2 Towson MD BLTMMDSN6MD  238   2007-07-27   
443-798 3 Towson MD BLTMMDSN6MD  238   2006-04-08   
443-809 A Towson MD BLTMMDSN6MD  238      
443-809 0 Towson MD BLTMMDSN6MD  238   2014-08-04   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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