Thornton Post Office

Post office

103 E Eleanor Street, Thornton, IL 60476

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 Thornton Facilities in Illinois

Thornton Post Office accepts new U.S. passport applications in person in Thornton, IL. First-time and child visits are booked on the USPS scheduler. Search ZIP 60476. How to apply · How to renew