Automated Postal Center - Leslie 321 Main St Leslie, MO 63056 Phone : (573) 484-3111 Business Category Automated Postal Centers Toll-Free           (800) ASK-USPS Post Office - Leslie 321 Main St Leslie, MO 63056 Phone : (573) 484-3111 Post Office - Leslie Business Category Post Offices Toll-Free           (800) ASK-USPS