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: BTVLMDCKCM3

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-305 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-350 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-351 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-353 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-354 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-355 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-432 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-462 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-601 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-602 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-603 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-604 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-605 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-606 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
240-988 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-442 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-455 A Washington Zone 3 MD 6664 SPRINT SPECTRUM L.P. 236      
301-537 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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