Serves
St. Clair County, IL
618-632-4691
Introduction
O Fallon Post Office serves St. Clair County, Illinois. Experience professional support with our office, where expert assistance is at your fingertips. Our team is dedicated to helping you navigate your challenges with confidence and ease. Visit us to explore how we can support your needs effectively.
Hours
Mon:
8:30 AM - 7:00 PM
Tue:
8:30 AM - 7:00 PM
Wed:
8:30 AM - 7:00 PM
Thu:
8:30 AM - 7:00 PM
Fri:
8:30 AM - 7:00 PM
Sat:
9:00 AM - 4:00 PM
Sun:
Closed
Nearby Office
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