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
240-375 5 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-375 6 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-375 7 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-375 8 Washington Zone 5 MD 5562 METROPCS, INC. 236      
240-375 9 Washington Zone 5 MD 5562 METROPCS, INC. 236      
240-376 0 Hughesville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-02-13   
240-376 8 Hughesville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-04-30   
240-380 4 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-12-20   
240-380 5 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-12-20   
240-380 6 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-12-20   
240-380 7 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-12-20   
240-380 8 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-12-20   
240-380 9 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-12-20   
240-384 0 Lexington Park-Great Mills MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-02-24   
240-384 8 Lexington Park-Great Mills MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-02-13   
240-386 0 Washington Zone 10 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-01   
240-386 7 Washington Zone 10 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-04-29   
240-386 9 Washington Zone 10 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-09   
240-388 A Gaithersburg MD 5562 METROPCS, INC. 236      
240-388 0 Gaithersburg MD 5562 METROPCS, INC. 236   2003-05-14   
240-388 1 Gaithersburg MD 5562 METROPCS, INC. 236   2003-05-14   
240-388 2 Gaithersburg MD 5562 METROPCS, INC. 236   2003-08-17   
240-388 3 Gaithersburg MD 5562 METROPCS, INC. 236   2004-05-13   
240-388 4 Gaithersburg MD 5562 METROPCS, INC. 236   2004-05-13   
240-388 6 Gaithersburg MD 5562 METROPCS, INC. 236   2002-12-24   
240-388 7 Gaithersburg MD 5562 METROPCS, INC. 236   2003-02-26   
240-388 8 Gaithersburg MD 5562 METROPCS, INC. 236   2003-02-26   
240-389 7 Ashton MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-09-24   
240-389 8 Ashton MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-09-24   
240-390 5 Ashton MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-10-09   
240-390 7 Ashton MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-10-09   
240-392 0 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-06-10   
240-392 5 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-11   
240-392 7 Washington Zone 5 MD 5562 METROPCS, INC. 236   2013-06-16   
240-392 9 Washington Zone 5 MD 5562 METROPCS, INC. 236   2013-06-16   
240-395 3 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-05-09   
240-396 3 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-09-05   
240-396 7 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-02-03   
240-396 8 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-12-16   
240-398 A Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-398 0 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2002-10-17   
240-398 1 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-10-11   
240-398 2 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-10-11   
240-398 4 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-10-11   
240-398 6 Washington Zone 3 MD 5562 METROPCS, INC. 236      
240-398 7 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2002-10-17   
240-398 8 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2002-10-17   
240-398 9 Washington Zone 3 MD 5562 METROPCS, INC. 236   2002-10-17   
240-400 A Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-400 4 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-11-04   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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