Mosinee Post Office

Post office

408 2nd Street, Mosinee, WI 54455

(715) 693-2315

Appointment only for Saturday. Call 715-693-2315

Appointment required

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

Book at USPS Directions Facilities in Mosinee Facilities in Wisconsin

Mosinee Post Office accepts new U.S. passport applications in person in Mosinee, WI. First-time and child visits are booked on the USPS scheduler. Search ZIP 54455. How to apply · How to renew