header> Open Interactive Map

ZIP Code 62325

O'Fallon, St. Clair County, Illinois (IL) • Standard Postal Code

IL
City
O'Fallon
County
St. Clair County
State / Territory
Illinois
Area Code
(224)
Coordinates
38.1000, -105.4000
Timezone
America/Chicago
Est. Population
222,000
Country
United States (US)
View 62325 on Interactive Map → All ZIP Codes in O'Fallon