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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-882 5 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-882 6 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-882 7 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-882 8 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-882 9 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-883 2 Glen Burnie MD BLTMMDCH40Z  238   2016-12-09   
443-883 7 Glen Burnie MD BLTMMDCH40Z  238   2016-12-09   
443-883 9 Glen Burnie MD BLTMMDCH40Z  238   2016-07-14   
443-889 A Glen Burnie MD BLTMMDCH40Z  238      
443-889 0 Glen Burnie MD BLTMMDCH40Z  238      
443-889 1 Glen Burnie MD BLTMMDCH40Z  238      
443-889 2 Glen Burnie MD BLTMMDCH40Z  238      
443-889 3 Glen Burnie MD BLTMMDCH40Z  238      
443-889 4 Glen Burnie MD BLTMMDCH40Z  238      
443-889 5 Glen Burnie MD BLTMMDCH40Z  238      
443-889 6 Glen Burnie MD BLTMMDCH40Z  238      
443-889 7 Glen Burnie MD BLTMMDCH40Z  238      
443-889 8 Glen Burnie MD BLTMMDCH40Z  238   2005-09-15   
443-889 9 Glen Burnie MD BLTMMDCH40Z  238      
443-891 3 Glen Burnie MD BLTMMDCH40Z  238   2003-11-01   
443-891 4 Glen Burnie MD BLTMMDCH40Z  238   2004-10-03   
443-891 5 Glen Burnie MD BLTMMDCH40Z  238   2016-04-12   
443-891 6 Glen Burnie MD BLTMMDCH40Z  238   2016-04-12   
443-891 7 Glen Burnie MD BLTMMDCH40Z  238   2016-04-12   
443-891 8 Glen Burnie MD BLTMMDCH40Z  238   2016-04-12   
443-891 9 Glen Burnie MD BLTMMDCH40Z  238   2016-04-12   
443-894 A Baltimore MD BLTMMDCH40Z  238   2024-02-09   
443-894 0 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-894 1 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-894 2 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-894 4 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-894 5 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-894 7 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-894 8 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-894 9 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-897 6 Baltimore MD BLTMMDCH40Z  238   2011-07-08   
443-897 7 Baltimore MD BLTMMDCH40Z  238   2011-07-08   
443-897 8 Baltimore MD BLTMMDCH40Z  238   2011-07-08   
443-897 9 Baltimore MD BLTMMDCH40Z  238   2011-07-08   
443-898 2 Pikesville MD BLTMMDCH40Z  238   2008-03-04   
443-901 8 Towson MD BLTMMDCH40Z  238   2021-05-10   
443-902 5 Baltimore MD BLTMMDCH40Z  238   2011-03-11   
443-902 6 Baltimore MD BLTMMDCH40Z  238   2011-03-11   
443-902 7 Baltimore MD BLTMMDCH40Z  238   2011-03-11   
443-902 8 Baltimore MD BLTMMDCH40Z  238   2011-03-11   
443-902 9 Baltimore MD BLTMMDCH40Z  238   2011-03-11   
443-903 5 Bel Air MD BLTMMDCH40Z  238   2014-03-22   
443-904 8 Baltimore MD BLTMMDCH40Z  238   2004-10-03   
443-904 9 Baltimore MD BLTMMDCH40Z  238   2004-10-03   
443-905 8 Annapolis MD BLTMMDCH40Z  238   2024-06-27   
443-908 2 Baltimore MD BLTMMDCH40Z  238   2011-08-30   
443-908 3 Baltimore MD BLTMMDCH40Z  238   2011-08-30   
443-908 4 Baltimore MD BLTMMDCH40Z  238   2011-08-30   
443-908 5 Baltimore MD BLTMMDCH40Z  238   2011-08-30   
443-908 6 Baltimore MD BLTMMDCH40Z  238   2011-08-30   
443-908 7 Baltimore MD BLTMMDCH40Z  238   2011-08-30   
443-908 8 Baltimore MD BLTMMDCH40Z  238   2011-08-30   
443-908 9 Baltimore MD BLTMMDCH40Z  238   2011-08-30   
443-913 A Baltimore MD BLTMMDCH40Z  238   2024-02-09   
443-913 0 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-913 2 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-913 3 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-913 4 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-913 5 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-913 6 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-913 8 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-913 9 Baltimore MD BLTMMDCH40Z  238   2011-08-14   
443-916 A Baltimore MD BLTMMDCH40Z  238   2024-02-09   
443-916 0 Baltimore MD BLTMMDCH40Z  238   2011-10-06   
443-916 1 Baltimore MD BLTMMDCH40Z  238   2011-10-06   
443-916 2 Baltimore MD BLTMMDCH40Z  238   2011-10-06   
443-916 3 Baltimore MD BLTMMDCH40Z  238   2011-10-06   
443-916 4 Baltimore MD BLTMMDCH40Z  238   2011-10-06   
443-916 5 Baltimore MD BLTMMDCH40Z  238   2011-10-06   
443-916 7 Baltimore MD BLTMMDCH40Z  238   2011-10-06   
443-916 8 Baltimore MD BLTMMDCH40Z  238   2011-10-06   
443-916 9 Baltimore MD BLTMMDCH40Z  238   2011-10-06   
443-917 8 Columbia MD BLTMMDCH40Z  238   2015-02-14   
443-917 9 Columbia MD BLTMMDCH40Z  238   2015-02-14   
443-924 3 Annapolis MD BLTMMDCH40Z  238   2010-07-16   
443-924 5 Annapolis MD BLTMMDCH40Z  238   2010-07-16   
443-925 A Baltimore MD BLTMMDCH40Z  238      
443-925 0 Baltimore MD BLTMMDCH40Z  238   2023-10-11   
443-925 1 Baltimore MD BLTMMDCH40Z  238   2023-10-11   
443-925 2 Baltimore MD BLTMMDCH40Z  238   2023-10-11   
443-925 3 Baltimore MD BLTMMDCH40Z  238   2023-10-11   
443-925 4 Baltimore MD BLTMMDCH40Z  238   2006-04-18   
443-925 5 Baltimore MD BLTMMDCH40Z  238   2006-04-18   
443-925 6 Baltimore MD BLTMMDCH40Z  238   2006-04-18   
443-925 7 Baltimore MD BLTMMDCH40Z  238   2023-10-11   
443-925 8 Baltimore MD BLTMMDCH40Z  238   2023-10-11   
443-925 9 Baltimore MD BLTMMDCH40Z  238   2006-04-17   
443-926 7 Annapolis MD BLTMMDCH40Z  238   2021-09-09   
443-927 4 Baltimore MD BLTMMDCH40Z  238   2004-11-25   
443-927 5 Baltimore MD BLTMMDCH40Z  238   2004-11-25   
443-928 5 Baltimore MD BLTMMDCH40Z  238   2004-06-25   
443-928 6 Baltimore MD BLTMMDCH40Z  238   2004-08-01   
443-929 A Pikesville MD BLTMMDCH40Z  238      
443-929 0 Pikesville MD BLTMMDCH40Z  238      
443-929 1 Pikesville MD BLTMMDCH40Z  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 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 >>

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.