O Fallon Zip Codes - Saint Clair County IL

O Fallon, IL Zip Code Map

O Fallon, IL is a city located in Saint Clair County, Illinois and has a land area of 29.83 square miles (77.26 km2). The water area for the city is 0.30 square miles or 0.78 km2. There is one unique zip code in O Fallon, Illinois and it is 62269. The area code(s) for O Fallon is 618.

Zip Codes for O Fallon, IL (1)
Zip Code
 City County
Zip Code Map
62269 O Fallon Saint Clair

5-Digit ZIP Code Data

Zip Code Lookups


Database Sample Data

ZIP Code Database
Sample Data
Bronze Edition Silver Edition Gold Edition
Microsoft Access (.MDB)
Microsoft Excel (.XLS)
Comma Delimited ASCII (.CSV)