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
443-579 6 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-07-17   
443-580 A Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-02-09   
443-580 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 2 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 4 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 5 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 7 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-580 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-27   
443-581 8 Chase MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-07-06   
443-583 6 Columbia MD 5562 METROPCS, INC. 238   2015-05-29   
443-583 9 Columbia MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-11-08   
443-589 4 Cockeysville MD 5562 METROPCS, INC. 238   2013-06-14   
443-590 6 Reisterstown MD 5562 METROPCS, INC. 238   2016-12-14   
443-593 8 Elkton MD 6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 238   2014-02-09   
443-593 9 Elkton MD 6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 238   2014-02-09   
443-596 1 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2020-04-06   
443-597 2 Severna Park MD 5562 METROPCS, INC. 238   2007-01-03   
443-597 3 Severna Park MD 5562 METROPCS, INC. 238   2007-01-03   
443-597 6 Severna Park MD 5562 METROPCS, INC. 238   2007-01-03   
443-597 7 Severna Park MD 5562 METROPCS, INC. 238   2007-01-03   
443-597 8 Severna Park MD 5562 METROPCS, INC. 238   2006-08-14   
443-597 9 Severna Park MD 5562 METROPCS, INC. 238   2005-06-05   
443-599 2 Severn MD 5562 METROPCS, INC. 238   2013-06-14   
443-599 3 Severn MD 5562 METROPCS, INC. 238   2013-06-14   
443-599 5 Severn MD 5562 METROPCS, INC. 238   2020-09-06   
443-599 6 Severn MD 5562 METROPCS, INC. 238   2015-02-01   
443-600 A Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 0 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 1 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 2 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-04-15   
443-600 3 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-08-13   
443-600 4 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-10-09   
443-600 5 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-21   
443-600 6 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-600 7 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-03-30   
443-600 8 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-05-06   
443-600 9 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-615 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-11-08   
443-615 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-10-22   
443-616 1 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-03-11   
443-616 4 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 5 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 6 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 7 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 8 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 9 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-619 5 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-17   

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

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