Ofallon Main Post Office

Post office

1111 S Lincoln Avenue, Ofallon, IL 62269

Hours are not published. Call before you go.

Hours and addresses come from the State Department listing, updated November 2, 2026.

Book at USPS Directions Facilities in Ofallon Facilities in Illinois

Ofallon Main Post Office accepts new U.S. passport applications in person in Ofallon, IL. First-time and child visits are booked on the USPS scheduler. Search ZIP 62269. How to apply · How to renew