Clayton Branch

Post office

7750 Maryland Ave, St Louis, MO 63105

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 St Louis Facilities in Missouri

Clayton Branch accepts new U.S. passport applications in person in St Louis, MO. First-time and child visits are booked on the USPS scheduler. Search ZIP 63105. How to apply · How to renew

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