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
443-325 4 Ellicott City MD 5562 METROPCS, INC. 238   2015-02-01   
443-325 6 Ellicott City MD 5562 METROPCS, INC. 238   2016-02-04   
443-335 A Brooklyn Park-Linthicum MD 5562 METROPCS, INC. 238      
443-335 4 Brooklyn Park-Linthicum MD 5562 METROPCS, INC. 238   2019-10-13   
443-335 5 Brooklyn Park-Linthicum MD 5562 METROPCS, INC. 238   2020-01-24   
443-336 A Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-336 0 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-336 1 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-336 2 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-336 3 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-336 4 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-336 5 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-336 6 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-336 7 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-336 8 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-336 9 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-337 0 Sparrows Point MD 5562 METROPCS, INC. 238   2021-04-16   
443-337 1 Sparrows Point MD 5562 METROPCS, INC. 238   2019-10-13   
443-337 3 Sparrows Point MD 5562 METROPCS, INC. 238   2017-10-01   
443-337 4 Sparrows Point MD 5562 METROPCS, INC. 238   2018-01-06   
443-345 6 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-345 7 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-07-11   
443-350 8 Elkton MD 6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 238   2005-05-08   
443-351 5 Odenton MD 5562 METROPCS, INC. 238   2017-01-19   
443-354 6 Glen Burnie MD 5562 METROPCS, INC. 238   2013-06-14   
443-354 7 Glen Burnie MD 5562 METROPCS, INC. 238   2013-06-14   
443-355 1 Ellicott City MD 5562 METROPCS, INC. 238   2017-01-19   
443-355 3 Ellicott City MD 5562 METROPCS, INC. 238   2017-01-19   
443-355 5 Ellicott City MD 5562 METROPCS, INC. 238   2017-03-25   
443-355 8 Ellicott City MD 5562 METROPCS, INC. 238   2017-10-14   
443-356 8 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-11   
443-356 9 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-11   
443-360 1 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-360 2 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-360 7 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-09-05   
443-360 8 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-09-05   
443-363 3 Severn MD 5562 METROPCS, INC. 238   2019-03-31   
443-363 7 Severn MD 5562 METROPCS, INC. 238   2018-10-05   
443-363 9 Severn MD 5562 METROPCS, INC. 238   2020-12-31   
443-364 1 Ellicott City MD 5562 METROPCS, INC. 238   2018-04-29   
443-367 1 Columbia MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-07-02   
443-371 1 Bel Air MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
443-374 1 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-06-24   
443-374 2 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-06-24   
443-374 5 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-06-24   
443-374 7 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-08   
443-374 8 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-08   
443-375 A Hampstead MD 5562 METROPCS, INC. 238      
443-375 0 Hampstead MD 5562 METROPCS, INC. 238      
443-375 1 Hampstead MD 5562 METROPCS, INC. 238      

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

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