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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-293 A Annapolis MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
410-500 4 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-05-25   
410-500 5 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-05-25   
410-624 2 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2004-05-24   
410-779 4 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2010-01-15   
410-800 4 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-08-30   
410-864 8 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-08-30   
410-878 2 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-08-30   
410-878 6 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-08-30   
410-878 7 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-08-05   
410-975 4 Severna Park MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2007-12-30   
410-982 6 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-01-01   
443-212 4 Sparks-Glencoe MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2004-09-28   
443-270 A Glen Burnie MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-274 1 Severn MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-10-17   
443-278 8 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2005-08-05   
443-283 A Columbia MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-293 3 Westminster MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2006-07-14   
443-295 1 Prince Frederick MD 2589 US LEC OF MARYLAND, INC. 238   2004-02-05   
443-321 A Annapolis MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-332 6 Crofton MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2006-03-28   
443-343 5 Millersville MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2006-05-20   
443-371 4 Bel Air MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2006-04-08   
443-372 6 Edgewood MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2003-12-01   
443-376 3 Dundalk MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2007-06-14   
443-379 5 Pikesville MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2011-01-20   
443-400 8 Brooklyn Park-Linthicum MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2002-05-19   
443-406 1 Elkton MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2002-06-24   
443-426 A Randallstown MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-426 0 Randallstown MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-426 1 Randallstown MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-426 9 Randallstown MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-438 2 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2009-09-17   
443-451 A Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-457 1 Brooklyn Park-Linthicum MD 2589 US LEC OF MARYLAND, INC. 238   2003-03-26   
443-459 A Elkridge MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-459 0 Elkridge MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-459 3 Elkridge MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2004-09-09   
443-516 2 Sykesville MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2004-12-22   
443-522 A Reisterstown MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-522 9 Reisterstown MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-529 1 Baltimore MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2008-11-10   
443-530 A Dundalk MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-530 9 Dundalk MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-533 2 Jarrettsville MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2010-05-18   
443-539 4 Columbia MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238   2006-08-15   
443-541 A Cockeysville MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-541 0 Cockeysville MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-541 1 Cockeysville MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-541 2 Cockeysville MD 4716 PAETEC COMMUNICATIONS, INC. - MD 238      

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Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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