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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
443-341 0 Catonsville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
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   
443-445 2 Elkridge MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-06-26   
443-450 A Pikesville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-450 1 Pikesville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2012-07-29   
443-450 4 Pikesville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-453 5 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-05-16   
443-455 1 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2009-10-12   
443-456 7 Edgewood MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-459 4 Elkridge MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-08-13   
443-470 8 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2009-08-13   
443-471 8 Pikesville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-09-25   
443-472 A Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-472 4 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-483 A Cardiff MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-483 4 Cardiff MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-02-07   
443-484 A Edgewood MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-484 4 Edgewood MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-485 A Elkton MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-485 5 Elkton MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-05-16   
443-486 A Prince Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-486 7 Prince Frederick MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-13   
443-487 A Westminster MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-487 4 Westminster MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-05   
443-492 2 Elkridge MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-12   
443-492 3 Elkridge MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-12   
443-492 5 Elkridge MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-503 3 Dundalk MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-11   
443-503 4 Dundalk MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-02-20   
443-505 2 Essex MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-12-24   
443-505 7 Essex MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-05-16   
443-517 5 Glen Burnie MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-05-05   
443-519 2 Towson MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-12-28   
443-536 0 Westminster MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-12-10   
443-537 1 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2009-10-25   
443-537 4 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2009-07-13   
443-539 7 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-02-15   
443-539 8 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-13   
443-541 4 Cockeysville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-08-20   
443-541 5 Cockeysville MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-01-10   
443-545 A Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-545 1 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-545 2 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-545 3 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-546 9 Columbia MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-04-24   
443-550 A North Beach MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-550 8 North Beach MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-02-07   
443-550 9 North Beach MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-07-15   
443-551 A Woodlawn MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-551 4 Woodlawn MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-552 0 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-05-16   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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