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 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-359 A Delmar MD SLBRMDAZCM2  242      
443-359 0 Delmar MD   242      
443-359 1 Delmar MD   242      
443-359 2 Delmar MD   242      
443-359 3 Delmar MD   242      
443-359 4 Delmar MD   242   2007-11-15   
443-359 6 Delmar MD   242   2007-12-14   
443-359 7 Delmar MD   242   2008-01-23   
443-359 8 Delmar MD   242      
443-359 9 Delmar MD   242      
443-363 9 Severn MD   238   2020-04-02   
443-365 3 Salisbury MD   242   2008-12-04   
443-365 4 Salisbury MD   242   2008-10-03   
443-365 5 Salisbury MD   242   2008-10-03   
443-365 7 Salisbury MD   242   2009-02-02   
443-366 2 Salisbury MD   242   2004-09-02   
443-366 4 Salisbury MD   242   2005-05-02   
443-366 5 Salisbury MD   242   2005-05-02   
443-367 8 Columbia MD   238   2011-10-28   
443-370 7 Annapolis MD   238   2005-09-01   
443-370 8 Annapolis MD   238   2005-09-20   
443-370 9 Annapolis MD   238   2006-02-03   
443-377 A Towson MD WDLWMDEMCM3  238   2010-08-06   
443-377 0 Towson MD   238   2010-08-06   
443-377 2 Towson MD   238   2011-02-03   
443-377 4 Towson MD   238   2011-02-03   
443-377 5 Towson MD   238   2011-02-03   
443-377 6 Towson MD   238   2011-02-03   
443-377 8 Towson MD   238   2011-05-02   
443-377 9 Towson MD   238   2011-05-02   
443-386 A Baltimore MD CTVLMDBACM3  238      
443-386 0 Baltimore MD   238      
443-386 1 Baltimore MD   238      
443-386 2 Baltimore MD   238      
443-386 3 Baltimore MD   238      
443-386 4 Baltimore MD   238      
443-386 5 Baltimore MD   238      
443-386 6 Baltimore MD   238      
443-386 7 Baltimore MD   238      
443-386 8 Baltimore MD   238   2003-07-18   
443-386 9 Baltimore MD   238   2003-11-03   
443-388 A Baltimore MD CTVLMDBACM3  238   2006-06-08   
443-388 0 Baltimore MD   238   2006-06-08   
443-388 1 Baltimore MD   238   2006-07-03   
443-388 2 Baltimore MD   238   2006-07-03   
443-388 3 Baltimore MD   238   2006-07-03   
443-388 6 Baltimore MD   238   2006-08-07   
443-388 7 Baltimore MD   238   2006-08-07   
443-391 2 Cockeysville MD   238   2013-05-01   
443-391 3 Cockeysville MD   238   2013-05-15   

<< 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 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 >>

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.