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: HNVAMDAYCM2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-240 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-11-20   
410-301 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-11-20   
410-805 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-10-27   
410-905 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
410-961 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-208 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-314 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-413 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-414 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-415 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-416 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-418 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-435 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-468 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2007-05-19   
443-473 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2007-05-19   
443-536 A Westminster MD 6664 SPRINT SPECTRUM L.P. 238      
443-560 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-09-01   
443-580 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-10-27   
443-621 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-622 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-633 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-09-01   
443-680 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2010-11-25   
443-723 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-11-20   
443-726 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-11-20   
443-762 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-768 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-800 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-03-28   
443-801 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-802 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-804 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238      
443-810 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2008-11-10   
443-821 A Westminster MD 6664 SPRINT SPECTRUM L.P. 238      
443-882 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-03-18   
443-894 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-08-14   
443-913 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-08-14   
443-916 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-10-06   
443-932 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-10-06   
443-948 A Baltimore MD 6664 SPRINT SPECTRUM L.P. 238   2011-10-06   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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