Marks Post Office

Post office

423 Poplar St, Marks, MS 38646

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 Marks Facilities in Mississippi

Marks Post Office accepts new U.S. passport applications in person in Marks, MS. First-time and child visits are booked on the USPS scheduler. Search ZIP 38646. How to apply · How to renew