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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: WASLDCRGDS0

1 2 3 4 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
202-239 0 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-06-05   
202-239 1 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-06-05   
202-239 2 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-06-05   
202-239 5 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-06-05   
202-239 6 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-06-05   
202-239 7 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-06-05   
202-239 8 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-06-05   
202-241 A Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236      
202-241 0 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-01-07   
202-241 1 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-01-07   
202-241 2 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-01-07   
202-241 3 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-01-07   
202-241 4 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-01-07   
202-241 5 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-01-07   
202-241 6 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-01-07   
202-241 7 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-01-07   
202-241 8 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-01-07   
202-241 9 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-01-07   
202-280 7 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-06-05   
202-506 8 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-06-05   
202-506 9 Washington Zone 1 DC 280E YMAX COMMUNICATIONS CORP. - DC 236   2007-06-05   
240-200 6 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2010-12-03   
240-200 7 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2010-12-03   
240-200 8 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2010-12-03   
240-200 9 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2010-12-03   
240-330 6 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
240-383 4 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
240-479 3 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
240-582 1 Washington Zone 4 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
240-627 7 Washington Zone 11 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-08-31   
240-627 8 Washington Zone 11 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-08-31   
240-654 5 Gaithersburg MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2009-07-24   
240-654 6 Gaithersburg MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2009-07-24   
240-654 8 Gaithersburg MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-08-08   
240-654 9 Gaithersburg MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-08-08   
240-686 8 Gaithersburg MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2007-07-28   
240-706 8 Washington Zone 3 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2010-11-30   
240-706 9 Washington Zone 3 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2010-11-30   
240-720 5 Gaithersburg MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-04-16   
240-765 7 Washington Zone 5 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
240-880 7 Washington Zone 11 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-08-31   
240-880 8 Washington Zone 11 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-08-31   
301-202 5 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2010-06-08   
301-202 6 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2010-06-08   
301-202 7 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2010-01-15   
301-202 8 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2010-01-15   
301-202 9 Washington Zone 2 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2010-01-15   
301-328 2 Washington Zone 3 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
301-328 3 Washington Zone 3 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
301-328 4 Washington Zone 3 MD 281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   

1 2 3 4 >>

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.