Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 2589 US LEC OF MARYLAND, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-632 3 Towson MD CLMAMDJTAMD  238      
443-632 9 Towson MD CLMAMDJTAMD  238      
443-640 A Bel Air MD CLMAMDJTAMD  238      
443-640 0 Bel Air MD CLMAMDJTAMD  238      
443-640 1 Bel Air MD CLMAMDJTAMD  238      
443-640 2 Bel Air MD CLMAMDJTAMD  238      
443-640 3 Bel Air MD CLMAMDJTAMD  238      
443-648 2 Essex MD CLMAMDJTAMD  238   2007-06-15   
443-649 A Sparrows Point MD CLMAMDJTAMD  238      
443-649 0 Sparrows Point MD CLMAMDJTAMD  238      
443-649 1 Sparrows Point MD CLMAMDJTAMD  238      
443-649 2 Sparrows Point MD CLMAMDJTAMD  238      
443-649 3 Sparrows Point MD CLMAMDJTAMD  238      
443-649 9 Sparrows Point MD CLMAMDJTAMD  238      
443-650 5 Reisterstown MD CLMAMDJTAMD  238   2003-03-04   
443-666 2 Chestertown MD SLBRMDSB8MD  242   2014-11-08   
443-672 1 Parkton MD CLMAMDJTBMD  238   2004-01-31   
443-674 1 North East MD CLMAMDJTAMD  238   2004-02-05   
443-679 1 Severn MD CLMAMDJTAMD  238   2002-04-22   
443-683 8 Baltimore MD CLMAMDJTAMD  238   2007-11-10   
443-693 1 Perryville MD CLMAMDJTAMD  238   2004-02-05   
443-702 4 Armiger-Gibson Island MD CLMAMDJTAMD  238   2007-06-15   
443-718 A Columbia MD CLMAMDJTBMD  238      
443-718 2 Columbia MD CLMAMDJTBMD  238   2008-05-10   
443-718 3 Columbia MD CLMAMDJTBMD  238   2008-05-10   
443-718 4 Columbia MD CLMAMDJTBMD  238   2008-06-16   
443-718 5 Columbia MD CLMAMDJTBMD  238   2008-06-16   
443-732 1 Silver Run MD CLMAMDJTAMD  238   2004-02-05   
443-733 1 Waterloo MD CLMAMDJTAMD  238   2003-03-04   
443-743 1 Baltimore MD CLMAMDJTAMD  238   2008-07-09   
443-747 2 Port Deposit MD CLMAMDJTAMD  238   2004-02-05   
443-760 3 Aberdeen MD CLMAMDJTAMD  236   2010-03-08   
443-766 A Columbia MD CLMAMDJTBMD  238      
443-766 1 Columbia MD CLMAMDJTBMD  238   2005-07-09   
443-766 7 Columbia MD CLMAMDJTBMD  238   2006-07-15   
443-769 1 Baltimore MD CLMAMDJTAMD  238   2008-12-21   
443-770 1 Armiger-Gibson Island MD CLMAMDJTAMD  238   2004-01-10   
443-780 A Woodlawn MD CLMAMDJTAMD  238      
443-780 0 Woodlawn MD CLMAMDJTAMD  238      
443-780 1 Woodlawn MD CLMAMDJTAMD  238      
443-780 2 Woodlawn MD CLMAMDJTAMD  238      
443-780 3 Woodlawn MD CLMAMDJTAMD  238      
443-780 9 Woodlawn MD CLMAMDJTAMD  238      
443-798 7 Towson MD CLMAMDJTAMD  238   2007-08-28   
443-825 3 Baltimore MD CLMAMDJTAMD  238   2007-05-01   
443-832 1 Columbia MD CLMAMDJTBMD  238   2009-10-26   
443-833 A Arbutus MD CLMAMDJTAMD  238      
443-833 1 Arbutus MD CLMAMDJTAMD  238   2002-11-19   
443-837 A Annapolis MD CLMAMDJTAMD  238      
443-837 0 Annapolis MD CLMAMDJTAMD  238      

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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