Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-489 3 Chase MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2007-01-24   
443-492 6 Elkridge MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2008-08-01   
443-526 A Havre de Grace MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-526 2 Havre de Grace MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-558 4 Aberdeen MD 2697 CTC COMMUNICATIONS CORP. - MD 236   2010-03-01   
443-575 7 Arbutus MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2011-12-20   
443-577 5 Glen Burnie MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2005-01-08   
443-582 A Churchville MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-582 1 Churchville MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-583 A Columbia MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-583 1 Columbia MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-584 A Crofton MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-584 1 Crofton MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-585 A Darlington MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-585 1 Darlington MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-587 A Edgewood MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-587 1 Edgewood MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-593 A Elkton MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-593 1 Elkton MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-595 3 Sparks-Glencoe MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2006-07-01   
443-601 A Fallston MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-601 1 Fallston MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-602 3 Baltimore MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2007-05-01   
443-606 A Fork MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-606 1 Fork MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-607 7 West River MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2012-03-26   
443-609 3 Sykesville MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2006-08-18   
443-636 3 Catonsville MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2006-02-25   
443-639 A Hampstead MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-639 3 Hampstead MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-644 A Jarrettsville MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-644 1 Jarrettsville MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-645 A Millersville MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-645 1 Millersville MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-646 A North Beach MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-646 1 North Beach MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-647 A New Windsor MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-647 1 New Windsor MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-652 5 Towson MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2016-07-01   
443-733 2 Waterloo MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2009-03-17   
443-787 A Bel Air MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-787 1 Bel Air MD 2697 CTC COMMUNICATIONS CORP. - MD 238      
443-805 2 Glen Burnie MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2013-03-05   
443-808 2 Annapolis MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2014-08-12   
443-841 1 Towson MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2005-03-10   
443-843 3 Havre de Grace MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2011-12-16   
443-868 6 Essex MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2011-10-21   
443-878 1 Columbia MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2005-08-25   
443-879 1 Dundalk MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2006-01-20   
443-931 4 Baltimore MD 2697 CTC COMMUNICATIONS CORP. - MD 238   2012-08-23   

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

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