Farmington Post Office

Post office

67 W. Fort St., Farmington, IL 61531

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 Farmington Facilities in Illinois

Farmington Post Office accepts new U.S. passport applications in person in Farmington, IL. First-time and child visits are booked on the USPS scheduler. Search ZIP 61531. How to apply · How to renew