Local Calling Guide

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
443-341 1 Catonsville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-341 4 Catonsville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-02-20   
443-341 5 Catonsville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-12-27   
443-341 9 Catonsville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-343 0 Millersville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-04-07   
443-345 A Aberdeen MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-345 1 Aberdeen MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-05-14   
443-345 2 Aberdeen MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-05-14   
443-345 4 Aberdeen MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-345 5 Aberdeen MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2010-11-01   
443-348 8 Woodlawn MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-05-16   
443-352 A Pikesville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-352 0 Pikesville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-09-11   
443-352 7 Pikesville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-354 A Glen Burnie MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-354 4 Glen Burnie MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-355 A Ellicott City MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-355 4 Ellicott City MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-356 A Bel Air MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-356 4 Bel Air MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-364 2 Ellicott City MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-05-23   
443-364 9 Ellicott City MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-07-27   
443-367 9 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-04-03   
443-371 A Bel Air MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-371 0 Bel Air MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-26   
443-371 9 Bel Air MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-01   
443-380 A Woodlawn MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-380 2 Woodlawn MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-10   
443-380 4 Woodlawn MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-05   
443-391 5 Cockeysville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-393 2 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-09-10   
443-393 3 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-09-10   
443-393 6 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-08   
443-393 7 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-04-03   
443-393 8 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-393 9 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-403 A Aberdeen MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-403 0 Aberdeen MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-403 1 Aberdeen MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-403 2 Aberdeen MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-406 2 Elkton MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-03   
443-406 4 Elkton MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-11-05   
443-417 1 Fallston MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-08-13   
443-423 A Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-423 1 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-426 2 Randallstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-12   
443-426 4 Randallstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-08-20   
443-426 8 Randallstown MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-05   
443-438 1 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-01-11   
443-441 2 Glenwood MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2016-10-16   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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