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63366
O'Fallon, Missouri
St. Charles · 🇺🇸 United States
ZIP Code
Population
54,769
Density/mi²
305
Complete ZIP Code Details
ZIP Code63366
CityO'Fallon
StateMissouri (MO)
CountySt. Charles
TimezoneAmerica/Chicago
Coordinates38.8591800, -90.7196400
Population54,769
ZIP TypeSTANDARD
CountryUnited States