Main Office Finance

Post office

1720 Market St, Rm 1003, St Louis, MO 63155

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

Main Office Finance 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 63155. How to apply · How to renew

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