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: 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC

<< 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 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-362 2 Easton MD SLBRMDSCXMD  242      
443-362 3 Easton MD SLBRMDSCXMD  242   2018-09-20   
443-362 8 Easton MD SLBRMDSCXMD  242   2015-03-16   
443-362 9 Easton MD SLBRMDSCXMD  242   2014-03-22   
443-365 A Salisbury MD SLBRMDSCXMD  242      
443-365 0 Salisbury MD SLBRMDSCXMD  242      
443-365 1 Salisbury MD SLBRMDSCXMD  242      
443-365 6 Salisbury MD SLBRMDSCXMD  242      
443-365 8 Salisbury MD SLBRMDSCXMD  242   2013-12-09   
443-365 9 Salisbury MD SLBRMDSCXMD  242      
443-366 0 Salisbury MD SLBRMDSCXMD  242      
443-366 7 Salisbury MD SLBRMDSCXMD  242   2004-10-20   
443-366 9 Salisbury MD SLBRMDSCXMD  242      
443-367 1 Columbia MD BLTMMDCH40Z  238   2005-07-02   
443-371 1 Bel Air MD BLTMMDCH40Z  238   2016-02-06   
443-373 7 Ocean City MD   242   2004-11-01   
443-374 1 Aberdeen MD BLTMMDCH40Z  236   2020-06-24   
443-374 2 Aberdeen MD BLTMMDCH40Z  236   2020-06-24   
443-374 5 Aberdeen MD BLTMMDCH40Z  236   2020-06-24   
443-374 7 Aberdeen MD BLTMMDCH40Z  236   2011-08-08   
443-374 8 Aberdeen MD BLTMMDCH40Z  236   2011-08-08   
443-375 9 Hampstead MD   238      
443-378 A Baltimore MD BLTMMDCH40Z  238   2024-02-09   
443-378 0 Baltimore MD BLTMMDCH40Z  238   2005-07-25   
443-388 4 Baltimore MD BLTMMDCH40Z  238   2006-07-24   
443-392 0 Baltimore MD BLTMMDCH40Z  238   2003-10-11   
443-392 1 Baltimore MD BLTMMDCH40Z  238   2003-10-11   
443-392 2 Baltimore MD BLTMMDCH40Z  238   2003-10-11   
443-392 4 Baltimore MD BLTMMDCH40Z  238   2003-10-11   
443-392 5 Baltimore MD BLTMMDCH40Z  238   2003-10-11   
443-392 6 Baltimore MD BLTMMDCH40Z  238   2003-10-11   
443-392 7 Baltimore MD BLTMMDCH40Z  238   2004-06-10   
443-392 8 Baltimore MD BLTMMDCH40Z  238   2004-06-18   
443-398 7 Sykesville MD   238      
443-403 9 Aberdeen MD BLTMMDCH40Z  236   2013-01-25   
443-405 5 Randallstown MD BLTMMDCH40Z  238   2021-04-30   
443-408 2 Sparrows Point MD   238   2023-05-16   
443-410 1 Glen Burnie MD BLTMMDCH40Z  238   2014-05-30   
443-410 2 Glen Burnie MD BLTMMDCH40Z  238   2014-05-30   
443-410 5 Glen Burnie MD BLTMMDCH40Z  238   2014-11-08   
443-410 6 Glen Burnie MD BLTMMDCH40Z  238   2014-11-08   
443-410 8 Glen Burnie MD BLTMMDCH40Z  238   2014-11-08   
443-410 9 Glen Burnie MD BLTMMDCH40Z  238   2014-11-08   
443-413 A Baltimore MD BLTMMDCH40Z  238      
443-413 0 Baltimore MD BLTMMDCH40Z  238      
443-413 1 Baltimore MD BLTMMDCH40Z  238      
443-413 2 Baltimore MD BLTMMDCH40Z  238      
443-413 3 Baltimore MD BLTMMDCH40Z  238      
443-413 4 Baltimore MD BLTMMDCH40Z  238      
443-413 5 Baltimore MD BLTMMDCH40Z  238      
443-413 6 Baltimore MD BLTMMDCH40Z  238      
443-413 7 Baltimore MD BLTMMDCH40Z  238      
443-413 8 Baltimore MD BLTMMDCH40Z  238      
443-413 9 Baltimore MD BLTMMDCH40Z  238      
443-414 A Baltimore MD BLTMMDCH40Z  238      
443-414 0 Baltimore MD BLTMMDCH40Z  238      
443-414 1 Baltimore MD BLTMMDCH40Z  238      
443-414 2 Baltimore MD BLTMMDCH40Z  238      
443-414 3 Baltimore MD BLTMMDCH40Z  238      
443-414 4 Baltimore MD BLTMMDCH40Z  238      
443-414 5 Baltimore MD BLTMMDCH40Z  238      
443-414 6 Baltimore MD BLTMMDCH40Z  238      
443-414 7 Baltimore MD BLTMMDCH40Z  238      
443-414 8 Baltimore MD BLTMMDCH40Z  238      
443-414 9 Baltimore MD BLTMMDCH40Z  238      
443-415 A Baltimore MD BLTMMDCH40Z  238      
443-415 0 Baltimore MD BLTMMDCH40Z  238      
443-415 1 Baltimore MD BLTMMDCH40Z  238      
443-415 2 Baltimore MD BLTMMDCH40Z  238      
443-415 3 Baltimore MD BLTMMDCH40Z  238      
443-415 4 Baltimore MD BLTMMDCH40Z  238      
443-415 5 Baltimore MD BLTMMDCH40Z  238      
443-415 6 Baltimore MD BLTMMDCH40Z  238      
443-415 7 Baltimore MD BLTMMDCH40Z  238      
443-415 8 Baltimore MD BLTMMDCH40Z  238      
443-415 9 Baltimore MD BLTMMDCH40Z  238      
443-416 A Baltimore MD BLTMMDCH40Z  238      
443-416 0 Baltimore MD BLTMMDCH40Z  238      
443-416 1 Baltimore MD BLTMMDCH40Z  238      
443-416 2 Baltimore MD BLTMMDCH40Z  238      
443-416 3 Baltimore MD BLTMMDCH40Z  238      
443-416 4 Baltimore MD BLTMMDCH40Z  238      
443-416 5 Baltimore MD BLTMMDCH40Z  238      
443-416 6 Baltimore MD BLTMMDCH40Z  238      
443-416 7 Baltimore MD BLTMMDCH40Z  238      
443-416 8 Baltimore MD BLTMMDCH40Z  238      
443-416 9 Baltimore MD BLTMMDCH40Z  238      
443-418 A Baltimore MD BLTMMDCH40Z  238      
443-418 0 Baltimore MD BLTMMDCH40Z  238      
443-418 1 Baltimore MD BLTMMDCH40Z  238      
443-418 2 Baltimore MD BLTMMDCH40Z  238      
443-418 3 Baltimore MD BLTMMDCH40Z  238      
443-418 4 Baltimore MD BLTMMDCH40Z  238      
443-418 5 Baltimore MD BLTMMDCH40Z  238      
443-418 6 Baltimore MD BLTMMDCH40Z  238      
443-418 7 Baltimore MD BLTMMDCH40Z  238      
443-418 8 Baltimore MD BLTMMDCH40Z  238      
443-418 9 Baltimore MD BLTMMDCH40Z  238      
443-422 8 Glen Burnie MD BLTMMDCH40Z  238   2010-12-03   
443-423 2 Baltimore MD BLTMMDCH40Z  238   2005-01-27   

<< 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 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.