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
443-610 9 Baltimore MD   238   2003-09-18   
443-613 1 Towson MD   238   2011-07-06   
443-613 2 Towson MD   238   2011-07-15   
443-613 3 Towson MD   238   2011-06-20   
443-613 4 Towson MD   238   2011-07-15   
443-613 5 Towson MD   238   2011-07-15   
443-613 6 Towson MD   238   2011-07-15   
443-613 7 Towson MD   238   2011-07-15   
443-613 8 Towson MD   238   2011-07-15   
443-613 9 Towson MD   238   2011-10-28   
443-614 A Salisbury MD SLBRMDAZCM2  242      
443-615 A Baltimore MD CTVLMDBACM3  238   2007-07-06   
443-615 0 Baltimore MD   238   2007-07-06   
443-615 1 Baltimore MD   238   2007-07-06   
443-615 2 Baltimore MD   238   2007-07-06   
443-615 3 Baltimore MD   238   2007-07-06   
443-615 4 Baltimore MD   238   2007-07-06   
443-615 5 Baltimore MD   238   2007-09-18   
443-615 6 Baltimore MD   238   2007-09-18   
443-617 A Fallston MD WDLWMDEMCM3  238   2005-06-06   
443-617 0 Fallston MD   238   2005-06-06   
443-617 1 Fallston MD   238   2005-07-02   
443-617 2 Fallston MD   238   2005-08-01   
443-617 3 Fallston MD   238   2005-09-01   
443-617 4 Fallston MD   238   2005-11-01   
443-617 5 Fallston MD   238   2006-01-02   
443-617 6 Fallston MD   238   2006-01-02   
443-617 7 Fallston MD   238   2006-02-03   
443-617 8 Fallston MD   238   2006-04-01   
443-617 9 Fallston MD   238   2007-02-02   
443-618 A Glen Burnie MD WDLWMDEMCM2  238      
443-618 0 Glen Burnie MD   238      
443-618 1 Glen Burnie MD   238      
443-618 2 Glen Burnie MD   238      
443-618 3 Glen Burnie MD   238      
443-618 4 Glen Burnie MD   238      
443-618 5 Glen Burnie MD   238   2003-08-03   
443-618 6 Glen Burnie MD   238      
443-618 7 Glen Burnie MD   238      
443-618 8 Glen Burnie MD   238      
443-618 9 Glen Burnie MD   238      
443-619 A Bel Air MD WDLWMDEMCM3  238   2009-08-07   
443-619 0 Bel Air MD   238   2009-08-07   
443-619 1 Bel Air MD   238   2010-04-02   
443-619 2 Bel Air MD   238   2010-11-01   
443-619 3 Bel Air MD   238   2011-02-03   
443-619 4 Bel Air MD   238   2011-05-02   
443-619 8 Bel Air MD   238   2011-07-06   
443-619 9 Bel Air MD   238   2011-03-04   
443-624 A Prince Frederick MD WDLWMDEMCM2  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 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: ISP Telecom

Like this site? We accept donations via PayPal.