Post Office - Fagus 21432 State Route 51 Fagus, MO 63938 Phone : (573) 328-4458 Business Category Post Offices Toll-Free           (800) ASK-USPS Post Office - Qulin 548 D St Qulin, MO 63961 Phone : (573) 328-4458 Post Office - Qulin Business Category Post Offices Toll-Free           (800) ASK-USPS