Lamar Main Post Office

Post office

131 West 11th Street, Lamar, MO 64759

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 Lamar Facilities in Missouri

Lamar Main Post Office accepts new U.S. passport applications in person in Lamar, MO. First-time and child visits are booked on the USPS scheduler. Search ZIP 64759. How to apply · How to renew