Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-210 8 Salisbury MD SLBRMDSCXMD  242   2011-11-14   
443-220 2 Baltimore MD BLTMMDCH40Z  238   2005-08-13   
443-220 3 Baltimore MD BLTMMDCH40Z  238   2005-08-13   
443-220 5 Baltimore MD BLTMMDCH40Z  238   2003-08-17   
443-220 6 Baltimore MD BLTMMDCH40Z  238   2003-08-17   
443-224 4 Baltimore MD BLTMMDCH40Z  238   2005-06-25   
443-224 5 Baltimore MD BLTMMDCH40Z  238   2005-06-25   
443-224 6 Baltimore MD BLTMMDCH40Z  238   2005-06-25   
443-224 7 Baltimore MD BLTMMDCH40Z  238   2005-06-25   
443-224 8 Baltimore MD BLTMMDCH40Z  238   2004-12-03   
443-225 8 Cambridge MD SLBRMDSCXMD  242   2006-08-24   
443-225 9 Cambridge MD SLBRMDSCXMD  242   2004-03-15   
443-226 A Baltimore MD BLTMMDCH40Z  238      
443-226 0 Baltimore MD BLTMMDCH40Z  238      
443-226 1 Baltimore MD BLTMMDCH40Z  238      
443-226 2 Baltimore MD BLTMMDCH40Z  238      
443-226 3 Baltimore MD BLTMMDCH40Z  238      
443-226 4 Baltimore MD BLTMMDCH40Z  238      
443-226 5 Baltimore MD BLTMMDCH40Z  238      
443-226 6 Baltimore MD BLTMMDCH40Z  238      
443-226 7 Baltimore MD BLTMMDCH40Z  238      
443-226 8 Baltimore MD BLTMMDCH40Z  238      
443-226 9 Baltimore MD BLTMMDCH40Z  238      
443-231 8 Essex MD BLTMMDCH40Z  238   2006-08-25   
443-239 5 Easton MD SLBRMDSCXMD  242   2011-04-02   
443-242 8 Sparrows Point MD   238   2025-08-21   
443-248 1 Baltimore MD BLTMMDCH40Z  238   2007-04-15   
443-248 2 Baltimore MD BLTMMDCH40Z  238   2007-04-15   
443-248 5 Baltimore MD BLTMMDCH40Z  238   2007-06-04   
443-248 6 Baltimore MD BLTMMDCH40Z  238   2007-06-04   
443-248 7 Baltimore MD BLTMMDCH40Z  238   2007-06-16   
443-248 8 Baltimore MD BLTMMDCH40Z  238   2007-06-16   
443-248 9 Baltimore MD BLTMMDCH40Z  238   2007-06-16   
443-250 A Baltimore MD BLTMMDCH40Z  238      
443-250 0 Baltimore MD BLTMMDCH40Z  238      
443-250 1 Baltimore MD BLTMMDCH40Z  238      
443-250 2 Baltimore MD BLTMMDCH40Z  238      
443-250 3 Baltimore MD BLTMMDCH40Z  238      
443-250 4 Baltimore MD BLTMMDCH40Z  238      
443-250 5 Baltimore MD BLTMMDCH40Z  238      
443-250 6 Baltimore MD BLTMMDCH40Z  238      
443-250 7 Baltimore MD BLTMMDCH40Z  238      
443-250 8 Baltimore MD BLTMMDCH40Z  238      
443-250 9 Baltimore MD BLTMMDCH40Z  238      
443-251 6 Catonsville MD BLTMMDCH40Z  238   2014-12-13   
443-251 8 Catonsville MD BLTMMDCH40Z  238   2014-10-10   
443-251 9 Catonsville MD BLTMMDCH40Z  238   2013-12-09   
443-254 A Annapolis MD BLTMMDCH40Z  238      
443-256 0 North East MD   238   2019-07-14   
443-260 9 Salisbury MD SLBRMDSCXMD  242   2011-10-10   
443-261 8 Severna Park MD   238   2010-11-12   
443-261 9 Severna Park MD   238   2010-11-12   
443-264 0 Pikesville MD BLTMMDCH40Z  238   2021-11-04   
443-264 1 Pikesville MD BLTMMDCH40Z  238   2021-11-04   
443-271 A Baltimore MD BLTMMDCH40Z  238      
443-271 0 Baltimore MD BLTMMDCH40Z  238      
443-271 1 Baltimore MD BLTMMDCH40Z  238      
443-271 2 Baltimore MD BLTMMDCH40Z  238      
443-271 3 Baltimore MD BLTMMDCH40Z  238      
443-271 4 Baltimore MD BLTMMDCH40Z  238      
443-271 5 Baltimore MD BLTMMDCH40Z  238      
443-271 6 Baltimore MD BLTMMDCH40Z  238      
443-271 7 Baltimore MD BLTMMDCH40Z  238      
443-271 8 Baltimore MD BLTMMDCH40Z  238      
443-271 9 Baltimore MD BLTMMDCH40Z  238      
443-272 9 Randallstown MD BLTMMDCH40Z  238   2019-04-19   
443-277 7 Sykesville MD   238      
443-277 8 Sykesville MD   238      
443-278 3 Baltimore MD BLTMMDCH40Z  238   2004-12-03   
443-278 4 Baltimore MD BLTMMDCH40Z  238   2004-05-13   
443-278 5 Baltimore MD BLTMMDCH40Z  238   2004-05-13   
443-278 6 Baltimore MD BLTMMDCH40Z  238   2004-05-13   
443-289 6 Westminster MD   238   2011-10-10   
443-289 7 Westminster MD   238   2011-11-23   
443-303 0 Aberdeen MD   236   2025-07-24   
443-303 1 Aberdeen MD   236   2025-07-24   
443-303 6 Aberdeen MD BLTMMDCH40Z  236   2011-10-06   
443-303 7 Aberdeen MD BLTMMDCH40Z  236   2010-02-11   
443-303 9 Aberdeen MD BLTMMDCH40Z  236   2010-06-06   
443-307 5 Bel Air MD BLTMMDCH40Z  238   2005-12-09   
443-307 6 Bel Air MD BLTMMDCH40Z  238   2004-10-03   
443-307 7 Bel Air MD BLTMMDCH40Z  238   2004-10-03   
443-314 A Baltimore MD BLTMMDCH40Z  238      
443-314 0 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-314 1 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-314 2 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-314 3 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-314 4 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-314 5 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-314 6 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-314 7 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-314 8 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-314 9 Baltimore MD BLTMMDCH40Z  238   2011-03-18   
443-317 7 Chase MD BLTMMDCH40Z  238   2016-07-14   
443-319 3 Columbia MD BLTMMDCH40Z  238   2008-06-16   
443-320 3 Baltimore MD BLTMMDCH40Z  238   2004-12-03   
443-324 A Baltimore MD BLTMMDCH40Z  238      
443-324 1 Baltimore MD BLTMMDCH40Z  238      
443-324 3 Baltimore MD BLTMMDCH40Z  238      
443-324 4 Baltimore MD BLTMMDCH40Z  238      

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Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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