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
240-304 7 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2002-10-17   
240-304 8 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2002-10-17   
240-304 9 Washington Zone 5 MD 5562 METROPCS, INC. 236   2004-02-16   
240-305 A Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-305 0 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-305 1 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-305 2 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-305 3 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-305 4 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-305 5 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-305 6 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-305 7 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-305 8 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-305 9 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-306 6 Gaithersburg MD 5562 METROPCS, INC. 236   2018-07-24   
240-312 8 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-05-10   
240-314 9 Washington Zone 10 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-07-16   
240-316 A Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-316 0 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-11-14   
240-316 1 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-12-14   
240-316 2 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-01-14   
240-316 5 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-01-14   
240-316 6 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-01-25   
240-316 7 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-01-25   
240-316 8 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-01-25   
240-316 9 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-01-08   
240-318 4 Washington Zone 16 MD 5562 METROPCS, INC. 236   2013-06-16   
240-318 6 Washington Zone 16 MD 5562 METROPCS, INC. 236   2015-02-05   
240-330 A Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-330 0 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-08-18   
240-330 2 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-08-18   
240-330 3 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-10-12   
240-330 5 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-10-12   
240-330 7 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
240-330 8 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
240-330 9 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
240-334 1 Washington Zone 14 MD 5562 METROPCS, INC. 236   2013-06-16   
240-334 8 Washington Zone 14 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-09-16   
240-340 A Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-340 0 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-02   
240-340 1 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-02   
240-340 2 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-02   
240-340 3 Washington Zone 2 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-02   
240-342 0 Ashton MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-07-11   
240-342 1 Ashton MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-07-04   
240-342 9 Ashton MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-07-04   
240-346 A Waldorf MD 5562 METROPCS, INC. 236      
240-346 0 Waldorf MD 5562 METROPCS, INC. 236   2006-11-07   
240-346 1 Waldorf MD 5562 METROPCS, INC. 236      
240-346 2 Waldorf MD 5562 METROPCS, INC. 236   2006-11-07   

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

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