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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
443-927 3 Baltimore MD BLTMMDSN6MD  238      
443-927 7 Baltimore MD BLTMMDSN6MD  238      
443-927 8 Baltimore MD BLTMMDSN6MD  238      
443-927 9 Baltimore MD BLTMMDSN6MD  238      
443-938 9 Baltimore MD BLTMMDSN6MD  238   2007-11-07   
443-951 A Annapolis MD   238      
443-951 0 Annapolis MD   238      
443-951 2 Annapolis MD   238      
443-951 4 Annapolis MD BLTMMDSN6MD  238      
443-955 5 Baltimore MD BLTMMDSN6MD  238   2006-06-26   
443-955 6 Baltimore MD BLTMMDSN6MD  238   2006-06-26   
443-957 1 Baltimore MD BLTMMDSN6MD  238   2005-03-12   
443-957 4 Baltimore MD BLTMMDSN6MD  238   2004-05-29   
443-962 1 Glen Burnie MD BLTMMDSN6MD  238   2007-11-20   
443-962 6 Glen Burnie MD BLTMMDSN6MD  238   2008-02-13   
443-964 A North Beach MD BLTMMDSN6MD  238      
443-965 9 Baltimore MD BLTMMDSN6MD  238   2010-08-09   
443-977 4 Baltimore MD BLTMMDSN6MD  238   2006-12-08   
443-977 6 Baltimore MD BLTMMDSN6MD  238   2006-12-08   
443-978 3 Salisbury MD SLBRMDSBXFX  242   2017-08-20   
443-986 9 Baltimore MD BLTMMDSN6MD  238   2006-10-25   
443-988 A Centreville MD SLBRMDSBXFX  242      
443-988 0 Centreville MD SLBRMDSBXFX  242   2006-08-07   
443-991 7 Towson MD BLTMMDSN6MD  238   2012-02-27   
443-992 A Baltimore MD BLTMMDSN6MD  238      
443-992 4 Baltimore MD BLTMMDSN6MD  238      
443-992 7 Baltimore MD BLTMMDSN6MD  238   2004-09-03   
667-200 4 Columbia MD BLTMMDSN6MD  238   2017-12-22   
667-207 2 Baltimore MD BLTMMDSN6MD  238   2013-09-30   
667-207 6 Baltimore MD BLTMMDSN6MD  238   2014-10-23   
667-207 8 Baltimore MD BLTMMDSN6MD  238   2014-11-22   
667-218 2 Baltimore MD BLTMMDSN6MD  238   2015-08-01   
667-219 3 Baltimore MD BLTMMDSN6MD  238   2015-06-13   
667-219 4 Baltimore MD BLTMMDSN6MD  238   2015-06-13   
667-225 6 Annapolis MD BLTMMDSN6MD  238   2015-11-01   
667-251 A Towson MD BLTMMDSN6MD  238      
667-251 0 Towson MD BLTMMDSN6MD  238   2015-02-14   
667-251 1 Towson MD BLTMMDSN6MD  238   2015-02-14   
667-251 2 Towson MD BLTMMDSN6MD  238   2015-02-14   
667-251 3 Towson MD BLTMMDSN6MD  238   2015-02-14   
667-251 4 Towson MD BLTMMDSN6MD  238   2015-02-14   
667-251 5 Towson MD BLTMMDSN6MD  238   2015-02-14   
667-251 6 Towson MD BLTMMDSN6MD  238   2015-02-14   
667-251 7 Towson MD BLTMMDSN6MD  238   2015-02-14   
667-251 8 Towson MD BLTMMDSN6MD  238   2015-02-14   
667-251 9 Towson MD BLTMMDSN6MD  238   2015-02-14   
667-260 5 Baltimore MD BLTMMDSN6MD  238   2017-10-01   
667-262 5 Baltimore MD BLTMMDSN6MD  238   2020-06-12   
667-270 4 Annapolis MD BLTMMDSN6MD  238   2019-10-19   
667-279 4 Bishopville MD SLBRMDSBXFX  242   2022-11-18   

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

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