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.
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Switch: BLTQMD012MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-204 0 Arbutus MD 964H BARR TELL USA, INC. 238      
410-406 4 Essex MD 964H BARR TELL USA, INC. 238      
410-421 2 Severna Park MD 964H BARR TELL USA, INC. 238      
410-781 5 Ellicott City MD 964H BARR TELL USA, INC. 238      
410-816 1 Towson MD 964H BARR TELL USA, INC. 238      
443-450 0 Pikesville MD 964H BARR TELL USA, INC. 238      
443-490 8 Edgewood MD 964H BARR TELL USA, INC. 238      
443-495 8 Parkville MD 964H BARR TELL USA, INC. 238      
443-549 5 Dundalk MD 964H BARR TELL USA, INC. 238      
443-590 8 Reisterstown MD 964H BARR TELL USA, INC. 238      
443-645 7 Millersville MD 964H BARR TELL USA, INC. 238      
443-675 5 Randallstown MD 964H BARR TELL USA, INC. 238      
443-689 3 Cockeysville MD 964H BARR TELL USA, INC. 238      
443-698 0 Odenton MD 964H BARR TELL USA, INC. 238      
443-775 4 Annapolis MD 964H BARR TELL USA, INC. 238      
443-780 7 Woodlawn MD 964H BARR TELL USA, INC. 238      
443-795 7 Severn MD 964H BARR TELL USA, INC. 238      
667-215 1 Elkton MD 964H BARR TELL USA, INC. 238      
667-240 A Columbia MD 964H BARR TELL USA, INC. 238      
667-240 1 Columbia MD 964H BARR TELL USA, INC. 238      
667-307 3 Crofton MD 964H BARR TELL USA, INC. 238      
667-314 A Westminster MD 964H BARR TELL USA, INC. 238      
667-314 1 Westminster MD 964H BARR TELL USA, INC. 238      
667-352 1 Aberdeen MD 964H BARR TELL USA, INC. 236      
667-400 A Baltimore MD 964H BARR TELL USA, INC. 238      
667-400 1 Baltimore MD 964H BARR TELL USA, INC. 238      
667-701 7 Elkridge MD 964H BARR TELL USA, INC. 238      
667-802 3 Catonsville MD 964H BARR TELL USA, INC. 238      
667-967 A Glen Burnie MD 964H BARR TELL USA, INC. 238      
667-967 1 Glen Burnie MD 964H BARR TELL USA, INC. 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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