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Missouri area codes

The state of Missouri, USA is currently served by a total of 6 area codes:

Larger Missouri cities and their area codes

City CountyArea code(s)
BallwinSt Louis 636
Blue SpringsJackson 816
Cape GirardeauCape Girardeau 573
ChesterfieldSt Louis 636
ColumbiaBoone 573
FlorissantSt Louis 314
IndependenceJackson 816
Jefferson CityCole 573
JoplinJasper 417
Kansas CityPlatte 816
Lee's SummitJackson 816
LibertyClay 816
O'FallonSt Charles 636
OakvilleSt Louis 314
SpringfieldGreene 417
St CharlesSt Charles 636
St JosephBuchanan 816
St LouisSt Louis 314
St PetersSt Charles 636
University CitySt Louis 314
WentzvilleSt Charles 636