Grinnell Post Office

Post office

932 Broad St., Grinnell, IA 50112

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 Grinnell Facilities in Iowa

Grinnell Post Office accepts new U.S. passport applications in person in Grinnell, IA. First-time and child visits are booked on the USPS scheduler. Search ZIP 50112. How to apply · How to renew