Sun Prairie Post Office

Post office

1715 Linnerud Dr., Sun Prairie, WI 53590

(608) 834-0231

For Appointment Call (608)834-1662

Appointment required

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

Book at USPS Directions Facilities in Sun Prairie Facilities in Wisconsin

Sun Prairie Post Office accepts new U.S. passport applications in person in Sun Prairie, WI. First-time and child visits are booked on the USPS scheduler. Search ZIP 53590. How to apply · How to renew