Marion Post Office

Post office

201 S Main St, Marion, SC 29571

Appointments are required. (843) 423-3522

Appointment required

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

Book at USPS Directions Facilities in Marion Facilities in South Carolina

Marion Post Office accepts new U.S. passport applications in person in Marion, SC. First-time and child visits are booked on the USPS scheduler. Search ZIP 29571. How to apply · How to renew