Wilmington Post Office

Post office

301 N Water Street, Wilmington, IL 60481

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 Wilmington Facilities in Illinois

Wilmington Post Office accepts new U.S. passport applications in person in Wilmington, IL. First-time and child visits are booked on the USPS scheduler. Search ZIP 60481. How to apply · How to renew