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: CLMAMOXAX0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
573-219 A Columbia MO 6664 SPRINT SPECTRUM L.P. 521      
573-230 A Jefferson City MO 6664 SPRINT SPECTRUM L.P. 521      
573-257 A Jefferson City MO 6664 SPRINT SPECTRUM L.P. 521      
573-268 A Columbia MO 6664 SPRINT SPECTRUM L.P. 521      
573-353 A Jefferson City MO 6664 SPRINT SPECTRUM L.P. 521      
573-356 A Columbia MO 6664 SPRINT SPECTRUM L.P. 521      
573-424 A Columbia MO 6664 SPRINT SPECTRUM L.P. 521      
573-514 A Columbia MO 6664 SPRINT SPECTRUM L.P. 521      
573-673 A Columbia MO 6664 SPRINT SPECTRUM L.P. 521      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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