Waterloo Post Office

Post office

300 Sycamore St, Waterloo, IA 50701

(319) 274-2219

By appointment only. Please call(319)274-2219.

Appointment required

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

Book at USPS Directions Facilities in Waterloo Facilities in Iowa

Waterloo Post Office accepts new U.S. passport applications in person in Waterloo, IA. First-time and child visits are booked on the USPS scheduler. Search ZIP 50701. How to apply · How to renew

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