PassportMap

Caseyville Post Office Il

Post office

113 S Long Street, Caseyville, IL 62232

(618) 344-4594

Hours are not published. Call before you go.

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

Caseyville Post Office Il accepts new U.S. passport applications in person in Caseyville, IL. First-time and child visits are booked on the USPS scheduler. Search ZIP 62232. How to apply · How to renew