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.

OCN: 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-545 4 Columbia MD BLTOMDKHBMD  238   2008-04-04   
443-545 6 Columbia MD BLTOMDKHBMD  238   2008-08-01   
443-545 9 Columbia MD BLTOMDKHBMD  238   2008-10-03   
443-546 0 Columbia MD BLTOMDKHBMD  238   2011-02-03   
443-546 6 Columbia MD BLTOMDKHBMD  238   2010-06-22   
443-546 7 Columbia MD BLTOMDKHBMD  238   2010-08-01   
443-547 A Westminster MD BLTOMDKHBMD  238      
443-547 0 Westminster MD BLTOMDKHBMD  238   2009-07-06   
443-547 2 Westminster MD BLTOMDKHBMD  238   2009-10-02   
443-547 3 Westminster MD BLTOMDKHBMD  238   2010-01-16   
443-547 4 Westminster MD BLTOMDKHBMD  238   2010-05-03   
443-547 5 Westminster MD BLTOMDKHBMD  238   2010-06-15   
443-547 7 Westminster MD BLTOMDKHBMD  238   2010-03-13   
443-547 8 Westminster MD BLTOMDKHBMD  238   2011-05-02   
443-553 A Elkton MD BLTOMDKHBMD  238      
443-566 A Chesapeake City MD ESTNMDESQMD  242      
443-566 0 Chesapeake City MD ESTNMDESQMD  242   2004-11-12   
443-566 1 Chesapeake City MD   242   2025-01-17   
443-566 2 Chesapeake City MD ESTNMDESQMD  242   2007-09-01   
443-566 3 Chesapeake City MD ESTNMDESQMD  242   2008-01-29   
443-566 6 Chesapeake City MD ESTNMDESQMD  242   2008-09-15   
443-569 1 Annapolis MD BLTOMDKHBMD  238   2005-06-02   
443-569 2 Annapolis MD BLTOMDKHBMD  238   2005-08-01   
443-569 9 Annapolis MD BLTOMDKHBMD  238   2005-03-04   
443-571 A Baltimore MD BLTOMDKHBMD  238      
443-571 0 Baltimore MD BLTOMDKHBMD  238   2012-02-03   
443-571 1 Baltimore MD BLTOMDKHBMD  238   2012-02-03   
443-571 2 Baltimore MD BLTOMDKHBMD  238   2012-02-03   
443-571 3 Baltimore MD BLTOMDKHBMD  238   2012-02-03   
443-571 4 Baltimore MD BLTOMDKHBMD  238   2012-02-03   
443-571 5 Baltimore MD BLTOMDKHBMD  238   2012-02-03   
443-571 6 Baltimore MD BLTOMDKHBMD  238   2012-02-03   
443-571 7 Baltimore MD BLTOMDKHBMD  238   2012-02-03   
443-571 8 Baltimore MD BLTOMDKHBMD  238   2012-02-03   
443-571 9 Baltimore MD BLTOMDKHBMD  238   2012-02-03   
443-578 1 Cockeysville MD BLTOMDKHBMD  238   2014-10-21   
443-578 2 Cockeysville MD BLTOMDKHBMD  238   2015-10-26   
443-578 6 Cockeysville MD BLTOMDKHBMD  238   2013-08-15   
443-591 A Glen Burnie MD BLTOMDKHBMD  238      
443-591 0 Glen Burnie MD BLTOMDKHBMD  238   2009-07-06   
443-591 1 Glen Burnie MD BLTOMDKHBMD  238   2009-09-03   
443-591 4 Glen Burnie MD BLTOMDKHBMD  238   2010-02-16   
443-591 5 Glen Burnie MD BLTOMDKHBMD  238   2010-03-16   
443-591 6 Glen Burnie MD BLTOMDKHBMD  238   2010-06-03   
443-591 7 Glen Burnie MD BLTOMDKHBMD  238   2010-06-14   
443-591 8 Glen Burnie MD BLTOMDKHBMD  238   2010-06-14   
443-591 9 Glen Burnie MD BLTOMDKHBMD  238   2010-06-14   
443-593 2 Elkton MD BLTOMDKHBMD  238   2016-03-01   
443-601 5 Fallston MD BLTOMDKHBMD  238   2017-08-07   
443-602 A Baltimore MD BLTOMDKHBMD  238      
443-602 0 Baltimore MD BLTOMDKHBMD  238   2007-04-08   
443-602 1 Baltimore MD BLTOMDKHBMD  238   2007-07-02   
443-602 2 Baltimore MD BLTOMDKHBMD  238   2007-07-02   
443-602 4 Baltimore MD BLTOMDKHBMD  238   2007-07-02   
443-602 5 Baltimore MD BLTOMDKHBMD  238   2007-08-02   
443-602 6 Baltimore MD BLTOMDKHBMD  238   2007-08-02   
443-604 A Baltimore MD BLTOMDKHBMD  238      
443-605 2 Westminster MD BLTOMDKHBMD  238   2005-07-02   
443-605 3 Westminster MD BLTOMDKHBMD  238   2006-02-03   
443-605 4 Westminster MD BLTOMDKHBMD  238   2006-04-01   
443-605 5 Westminster MD BLTOMDKHBMD  238   2005-05-02   
443-605 6 Westminster MD BLTOMDKHBMD  238   2005-05-02   
443-605 7 Westminster MD BLTOMDKHBMD  238   2006-08-07   
443-608 2 Towson MD BLTOMDKHBMD  238   2011-10-28   
443-608 3 Towson MD BLTOMDKHBMD  238   2011-10-28   
443-608 4 Towson MD BLTOMDKHBMD  238   2011-10-28   
443-608 6 Towson MD BLTOMDKHBMD  238   2011-10-28   
443-608 7 Towson MD BLTOMDKHBMD  238   2011-10-28   
443-608 8 Towson MD BLTOMDKHBMD  238   2011-10-28   
443-608 9 Towson MD BLTOMDKHBMD  238   2011-10-28   
443-610 A Baltimore MD BLTOMDKHBMD  238      
443-610 0 Baltimore MD BLTOMDKHBMD  238      
443-610 1 Baltimore MD BLTOMDKHBMD  238      
443-610 2 Baltimore MD BLTOMDKHBMD  238      
443-610 3 Baltimore MD BLTOMDKHBMD  238      
443-610 4 Baltimore MD BLTOMDKHBMD  238      
443-610 5 Baltimore MD BLTOMDKHBMD  238      
443-610 6 Baltimore MD BLTOMDKHBMD  238      
443-610 7 Baltimore MD BLTOMDKHBMD  238   2003-08-19   
443-610 8 Baltimore MD BLTOMDKHBMD  238   2003-09-18   
443-610 9 Baltimore MD BLTOMDKHBMD  238   2003-09-18   
443-613 1 Towson MD BLTOMDKHBMD  238   2011-07-06   
443-613 2 Towson MD BLTOMDKHBMD  238   2011-07-15   
443-613 3 Towson MD BLTOMDKHBMD  238   2011-06-20   
443-613 4 Towson MD BLTOMDKHBMD  238   2011-07-15   
443-613 5 Towson MD BLTOMDKHBMD  238   2011-07-15   
443-613 6 Towson MD BLTOMDKHBMD  238   2011-07-15   
443-613 7 Towson MD BLTOMDKHBMD  238   2011-07-15   
443-613 8 Towson MD BLTOMDKHBMD  238   2011-07-15   
443-613 9 Towson MD BLTOMDKHBMD  238   2011-10-28   
443-614 A Salisbury MD ESTNMDESQMD  242      
443-615 A Baltimore MD BLTOMDKHBMD  238      
443-615 0 Baltimore MD BLTOMDKHBMD  238   2007-07-06   
443-615 1 Baltimore MD BLTOMDKHBMD  238   2007-07-06   
443-615 2 Baltimore MD BLTOMDKHBMD  238   2007-07-06   
443-615 3 Baltimore MD BLTOMDKHBMD  238   2007-07-06   
443-615 4 Baltimore MD BLTOMDKHBMD  238   2007-07-06   
443-615 5 Baltimore MD BLTOMDKHBMD  238   2007-09-18   
443-615 6 Baltimore MD BLTOMDKHBMD  238   2007-09-18   
443-617 A Fallston MD BLTOMDKHBMD  238      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 >>

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.