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: SNTDCAIKCM0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-230 A Sunnyvale CA 6664 SPRINT SPECTRUM L.P. 722      
408-373 A Sunnyvale CA 6664 SPRINT SPECTRUM L.P. 722      
408-375 A Campbell CA 6664 SPRINT SPECTRUM L.P. 722      
408-390 A San Jose: West DA CA 6664 SPRINT SPECTRUM L.P. 722      
408-393 A Sunnyvale CA 6664 SPRINT SPECTRUM L.P. 722      
408-394 A Sunnyvale CA 6664 SPRINT SPECTRUM L.P. 722      
408-396 A San Jose: West DA CA 6664 SPRINT SPECTRUM L.P. 722      
408-401 A San Jose: West DA CA 6664 SPRINT SPECTRUM L.P. 722      
408-420 A Sunnyvale CA 6664 SPRINT SPECTRUM L.P. 722      
408-460 A Campbell CA 6664 SPRINT SPECTRUM L.P. 722      
408-466 A Campbell CA 6664 SPRINT SPECTRUM L.P. 722   2007-02-02   
408-569 A San Jose: West DA CA 6664 SPRINT SPECTRUM L.P. 722      
408-638 A San Jose: West DA CA 6664 SPRINT SPECTRUM L.P. 722      
408-665 A Gilroy CA 6664 SPRINT SPECTRUM L.P. 722   2007-11-10   
408-685 A Sunnyvale CA 6664 SPRINT SPECTRUM L.P. 722      
408-757 A Sunnyvale CA 6664 SPRINT SPECTRUM L.P. 722      
408-767 A Gilroy CA 6664 SPRINT SPECTRUM L.P. 722   2011-09-22   
408-771 A San Jose: West DA CA 6664 SPRINT SPECTRUM L.P. 722      
408-829 A San Jose: West DA CA 6664 SPRINT SPECTRUM L.P. 722      
408-835 A Sunnyvale CA 6664 SPRINT SPECTRUM L.P. 722      
408-836 A Sunnyvale CA 6664 SPRINT SPECTRUM L.P. 722      
408-910 A Sunnyvale CA 6664 SPRINT SPECTRUM L.P. 722      
831-325 A Santa Cruz CA 6664 SPRINT SPECTRUM L.P. 722      
831-428 A Santa Cruz CA 6664 SPRINT SPECTRUM L.P. 722      
831-539 A Watsonville CA 6664 SPRINT SPECTRUM L.P. 722      

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

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