Uspo - Yankton

Post office

506 W. 25th St, Yankton, SD 57078

(605) 665-0626

Call 605-665-0626 for appointment. Photocopy services available.

Appointment required

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

Book at USPS Directions Facilities in Yankton Facilities in South Dakota

Uspo - Yankton accepts new U.S. passport applications in person in Yankton, SD. First-time and child visits are booked on the USPS scheduler. Search ZIP 57078. How to apply · How to renew