Beloit Post Office

Post office

300 Mill St., Beloit, WI 53511

(608) 365-7755

Appointments are required. Call 608-365-7755

Appointment required

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

Book at USPS Directions Facilities in Beloit Facilities in Wisconsin

Beloit Post Office accepts new U.S. passport applications in person in Beloit, WI. First-time and child visits are booked on the USPS scheduler. Search ZIP 53511. How to apply · How to renew