Onalaska Post Office

Post office

304 11th Ave N, Onalaska, WI 54650

(608) 781-8777

For Appointment Call (608)781-8777. Some walk-ins accepted.

Appointment required

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

Book at USPS Directions Facilities in Onalaska Facilities in Wisconsin

Onalaska Post Office accepts new U.S. passport applications in person in Onalaska, WI. First-time and child visits are booked on the USPS scheduler. Search ZIP 54650. How to apply · How to renew