Uspo - Spearfish

Post office

120 Yankee St., Spearfish, SD 57783

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 Spearfish Facilities in South Dakota

Uspo - Spearfish accepts new U.S. passport applications in person in Spearfish, SD. First-time and child visits are booked on the USPS scheduler. Search ZIP 57783. How to apply · How to renew