United States Government--united States Postal Service, Post Offices, Vichy 14788 Highway 63 S Vichy, MO 65580 Phone : (573) 299-4717 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Vichy 14788 Highway 63 S Vichy, MO 65580 Phone : (573) 299-4717 Post Office - Vichy Business Category Post Offices Toll-Free           (800) ASK-USPS