Butternut Post Office

Post office

101 E. Main St., Butternut, WI 54514

Hours are not published. Call before you go.

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

Book at USPS Directions Facilities in Butternut Facilities in Wisconsin

Butternut Post Office accepts new U.S. passport applications in person in Butternut, WI. First-time and child visits are booked on the USPS scheduler. Search ZIP 54514. How to apply · How to renew