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Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-951 A Annapolis MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-951 0 Annapolis MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-951 2 Annapolis MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-951 4 Annapolis MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-955 5 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-06-26   
443-955 6 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-06-26   
443-957 1 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-03-12   
443-957 4 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-05-29   
443-962 1 Glen Burnie MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-11-20   
443-962 6 Glen Burnie MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-13   
443-964 A North Beach MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-965 9 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-08-09   
443-977 4 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-12-08   
443-977 6 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-12-08   
443-986 9 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-10-25   
443-991 7 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2012-02-27   
443-992 A Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-992 4 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-992 7 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-09-03   
667-200 4 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2017-12-22   
667-207 2 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2013-09-30   
667-207 6 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-10-23   
667-207 8 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-11-22   
667-218 2 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-08-01   
667-219 3 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-06-13   
667-219 4 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-06-13   
667-225 6 Annapolis MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-11-01   
667-251 A Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-251 0 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 1 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 2 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 3 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 4 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 5 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 6 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 7 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 8 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-251 9 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-02-14   
667-260 5 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2017-10-01   
667-262 5 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-06-12   
667-270 4 Annapolis MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2019-10-19   
667-284 A Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-284 0 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 1 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 2 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 3 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 4 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 5 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-284 6 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2020-09-20   
667-306 A Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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