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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-302 4 Hagerstown MD 5562 METROPCS, INC. 240   2006-04-07   
301-302 9 Hagerstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2005-03-04   
301-305 A Frederick MD 5562 METROPCS, INC. 240   2024-02-09   
301-305 0 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-305 1 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-305 2 Frederick MD 5562 METROPCS, INC. 240      
301-305 3 Frederick MD 5562 METROPCS, INC. 240      
301-305 4 Frederick MD 5562 METROPCS, INC. 240      
301-305 5 Frederick MD 5562 METROPCS, INC. 240      
301-305 6 Frederick MD 5562 METROPCS, INC. 240      
301-305 7 Frederick MD 5562 METROPCS, INC. 240      
301-305 8 Frederick MD 5562 METROPCS, INC. 240      
301-305 9 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-331 8 Hagerstown MD 5562 METROPCS, INC. 240   2004-04-05   
301-338 4 Cumberland MD 5562 METROPCS, INC. 240   2011-08-25   
301-338 5 Cumberland MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2011-08-25   
301-338 7 Cumberland MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2011-11-11   
301-378 3 Frederick MD 5562 METROPCS, INC. 240   2011-07-08   
301-378 4 Frederick MD 5562 METROPCS, INC. 240   2011-07-08   
301-378 5 Frederick MD 5562 METROPCS, INC. 240   2022-11-07   
301-393 7 Hagerstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2016-07-14   
301-416 9 Myersville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2019-11-08   
301-418 0 Frederick MD 5562 METROPCS, INC. 240   2003-10-11   
301-418 1 Frederick MD 5562 METROPCS, INC. 240   2003-10-11   
301-418 2 Frederick MD 5562 METROPCS, INC. 240   2003-10-11   
301-418 3 Frederick MD 5562 METROPCS, INC. 240   2004-01-31   
301-418 4 Frederick MD 5562 METROPCS, INC. 240   2004-01-31   
301-418 5 Frederick MD 5562 METROPCS, INC. 240   2004-06-10   
301-418 8 Frederick MD 5562 METROPCS, INC. 240   2004-09-13   
301-462 A Myersville MD 5562 METROPCS, INC. 240      
301-462 9 Myersville MD 5562 METROPCS, INC. 240      
301-465 A Myersville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-465 0 Myersville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-465 9 Myersville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-473 0 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2007-12-13   
301-473 1 Frederick MD 5562 METROPCS, INC. 240   2007-12-13   
301-473 6 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2007-12-13   
301-524 A Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2024-02-09   
301-524 0 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 1 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 2 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 3 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 4 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 5 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 6 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 7 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 8 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-524 9 Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-573 A Hagerstown MD 5562 METROPCS, INC. 240      
301-573 0 Hagerstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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