Southwest Station

Post office

3232 Clifton Ave, St Louis, MO 63139

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

Southwest Station 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 63139. How to apply · How to renew

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