O Fallon Post Office
1111 S Lincoln Ave
O Fallon, IL 62269
O Fallon, IL 62269
(618) 632-4691
Hours of Operation: View Hours
View the O Fallon Post Office hours along with contact information, and more to get your post office needs done in O Fallon, IL.
What are the hours for the O Fallon Post Office?
O Fallon Post Office Hours
Mon-Fri 8:30am-7:00pm Sat 9:00am-4:00pm Sun closedO Fallon Post Office Additional Information:
Located in
St. Clair County
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