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: BTVLMDCKCM1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
202-487 A Washington Zone 1 DC 6664 SPRINT SPECTRUM L.P. 236      
240-424 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-438 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236   2011-09-29   
240-468 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-501 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-502 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236   2011-11-18   
240-504 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236   2011-11-18   
301-213 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-237 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-254 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-257 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-267 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236   2011-11-28   
301-379 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-404 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-437 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-523 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-613 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-806 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-844 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236   2011-11-18   
301-996 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      

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

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