Fort Smith Main Post Office

Post office

3318 S. 74th Street, Fort Smith, AR 72903

(479) 484-6431

By appointment only. Please call (479)484-6431.

Appointment required

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

Book at USPS Directions Facilities in Fort Smith Facilities in Arkansas

Fort Smith Main Post Office accepts new U.S. passport applications in person in Fort Smith, AR. First-time and child visits are booked on the USPS scheduler. Search ZIP 72903. How to apply · How to renew