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
301-339 4 Washington Zone 10 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-10-30   
301-343 A Washington Zone 5 MD 5562 METROPCS, INC. 236      
301-343 0 Washington Zone 5 MD 5562 METROPCS, INC. 236      
301-343 1 Washington Zone 5 MD 5562 METROPCS, INC. 236      
301-343 2 Washington Zone 5 MD 5562 METROPCS, INC. 236      
301-343 3 Washington Zone 5 MD 5562 METROPCS, INC. 236      
301-343 4 Washington Zone 5 MD 5562 METROPCS, INC. 236      
301-343 5 Washington Zone 5 MD 5562 METROPCS, INC. 236      
301-343 6 Washington Zone 5 MD 5562 METROPCS, INC. 236      
301-343 7 Washington Zone 5 MD 5562 METROPCS, INC. 236      
301-343 8 Washington Zone 5 MD 5562 METROPCS, INC. 236      
301-343 9 Washington Zone 5 MD 5562 METROPCS, INC. 236      
301-357 1 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 2 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 3 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 4 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 5 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 6 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 7 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-357 9 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-364 2 Washington Zone 4 MD 5562 METROPCS, INC. 236   2013-06-03   
301-364 6 Washington Zone 4 MD 5562 METROPCS, INC. 236   2013-06-03   
301-364 7 Washington Zone 4 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-07-14   
301-364 8 Washington Zone 4 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-07-14   
301-366 A Gaithersburg MD 5562 METROPCS, INC. 236      
301-366 3 Gaithersburg MD 5562 METROPCS, INC. 236   2003-10-11   
301-366 4 Gaithersburg MD 5562 METROPCS, INC. 236   2003-10-11   
301-366 5 Gaithersburg MD 5562 METROPCS, INC. 236   2004-10-03   
301-366 7 Gaithersburg MD 5562 METROPCS, INC. 236   2003-12-30   
301-366 8 Gaithersburg MD 5562 METROPCS, INC. 236   2003-12-30   
301-370 A Gaithersburg MD 5562 METROPCS, INC. 236      
301-370 0 Gaithersburg MD 5562 METROPCS, INC. 236      
301-370 1 Gaithersburg MD 5562 METROPCS, INC. 236      
301-370 2 Gaithersburg MD 5562 METROPCS, INC. 236      
301-370 3 Gaithersburg MD 5562 METROPCS, INC. 236      
301-370 4 Gaithersburg MD 5562 METROPCS, INC. 236      
301-370 5 Gaithersburg MD 5562 METROPCS, INC. 236      
301-370 6 Gaithersburg MD 5562 METROPCS, INC. 236      
301-370 7 Gaithersburg MD 5562 METROPCS, INC. 236      
301-370 8 Gaithersburg MD 5562 METROPCS, INC. 236      
301-370 9 Gaithersburg MD 5562 METROPCS, INC. 236      
301-377 4 Laurel MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-02-19   
301-377 8 Laurel MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-09-08   
301-379 A Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-379 0 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-379 1 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-379 2 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-379 3 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-379 4 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-379 5 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-379 6 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-379 7 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-379 8 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-379 9 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-383 3 Washington Zone 14 MD 5562 METROPCS, INC. 236   2016-09-26   
301-383 4 Washington Zone 14 MD 5562 METROPCS, INC. 236   2017-03-25   
301-383 5 Washington Zone 14 MD 5562 METROPCS, INC. 236   2016-11-25   
301-383 6 Washington Zone 14 MD 5562 METROPCS, INC. 236   2017-07-14   
301-383 7 Washington Zone 14 MD 5562 METROPCS, INC. 236   2017-11-22   
301-388 6 Washington Zone 12 MD 5562 METROPCS, INC. 236   2013-07-25   
301-399 A Waldorf MD 5562 METROPCS, INC. 236      
301-399 0 Waldorf MD 5562 METROPCS, INC. 236      
301-399 1 Waldorf MD 5562 METROPCS, INC. 236      
301-399 2 Waldorf MD 5562 METROPCS, INC. 236      
301-399 3 Waldorf MD 5562 METROPCS, INC. 236      
301-399 4 Waldorf MD 5562 METROPCS, INC. 236      
301-399 5 Waldorf MD 5562 METROPCS, INC. 236      
301-399 6 Waldorf MD 5562 METROPCS, INC. 236      
301-399 7 Waldorf MD 5562 METROPCS, INC. 236      
301-399 8 Waldorf MD 5562 METROPCS, INC. 236      
301-399 9 Waldorf MD 5562 METROPCS, INC. 236      
301-404 A Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-404 0 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-404 1 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-404 2 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-404 3 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-404 4 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-404 5 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-404 6 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-404 7 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-404 8 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-404 9 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-407 3 Gaithersburg MD 5562 METROPCS, INC. 236   2005-07-14   
301-407 5 Gaithersburg MD 5562 METROPCS, INC. 236   2006-05-05   
301-407 7 Gaithersburg MD 5562 METROPCS, INC. 236   2005-12-29   
301-407 8 Gaithersburg MD 5562 METROPCS, INC. 236   2006-05-05   
301-408 6 Washington Zone 3 MD 5562 METROPCS, INC. 236   2011-08-19   
301-408 8 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-06-15   
301-408 9 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-04   
301-433 1 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-01-12   
301-433 2 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-16   
301-433 3 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-16   
301-433 5 Washington Zone 5 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-04-13   
301-433 9 Washington Zone 5 MD 5562 METROPCS, INC. 236   2019-11-29   
301-437 A Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-437 0 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-437 1 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-437 2 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-437 3 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-437 4 Washington Zone 3 MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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