Saint Marys Post Office

Post office

118 S 6th St, Saint Marys, KS 66536

(785) 437-2462

By Appointment only.Please call (785)437-2462

Appointment required

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

Book at USPS Directions Facilities in Saint Marys Facilities in Kansas

Saint Marys Post Office accepts new U.S. passport applications in person in Saint Marys, KS. First-time and child visits are booked on the USPS scheduler. Search ZIP 66536. How to apply · How to renew