Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-251 8 Catonsville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-10-10   
443-251 9 Catonsville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2013-12-09   
443-254 A Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-256 2 North East MD 5562 METROPCS, INC. 238   2019-03-31   
443-261 6 Severna Park MD 5562 METROPCS, INC. 238   2010-11-12   
443-261 7 Severna Park MD 5562 METROPCS, INC. 238   2010-11-12   
443-264 0 Pikesville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-11-04   
443-264 1 Pikesville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-11-04   
443-271 A Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-271 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-271 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-271 2 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-271 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-271 4 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-271 5 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-271 6 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-271 7 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-271 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-271 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-272 9 Randallstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-04-19   
443-273 4 Reisterstown MD 5562 METROPCS, INC. 238   2014-09-28   
443-273 6 Reisterstown MD 5562 METROPCS, INC. 238   2014-11-03   
443-277 A Sykesville MD 5562 METROPCS, INC. 238      
443-277 0 Sykesville MD 5562 METROPCS, INC. 238      
443-277 1 Sykesville MD 5562 METROPCS, INC. 238      
443-277 2 Sykesville MD 5562 METROPCS, INC. 238      
443-277 3 Sykesville MD 5562 METROPCS, INC. 238      
443-277 4 Sykesville MD 5562 METROPCS, INC. 238      
443-277 5 Sykesville MD 5562 METROPCS, INC. 238      
443-277 6 Sykesville MD 5562 METROPCS, INC. 238      
443-277 9 Sykesville MD 5562 METROPCS, INC. 238      
443-278 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-12-03   
443-278 4 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-13   
443-278 5 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-13   
443-278 6 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-13   
443-289 4 Westminster MD 5562 METROPCS, INC. 238   2011-10-10   
443-289 5 Westminster MD 5562 METROPCS, INC. 238   2011-10-10   
443-297 2 Arbutus MD 5562 METROPCS, INC. 238   2013-08-12   
443-297 4 Arbutus MD 5562 METROPCS, INC. 238   2013-08-12   
443-303 6 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-303 7 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-02-11   
443-303 9 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-06-06   
443-306 A Severna Park MD 5562 METROPCS, INC. 238      
443-306 0 Severna Park MD 5562 METROPCS, INC. 238      
443-306 1 Severna Park MD 5562 METROPCS, INC. 238      
443-306 2 Severna Park MD 5562 METROPCS, INC. 238   2009-01-08   
443-306 3 Severna Park MD 5562 METROPCS, INC. 238      
443-306 4 Severna Park MD 5562 METROPCS, INC. 238      
443-306 5 Severna Park MD 5562 METROPCS, INC. 238      
443-306 6 Severna Park MD 5562 METROPCS, INC. 238      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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