United States Government--u S Postal Service, Mt St Francis Office 5251 Us Route 150 Mount Saint Francis, IN 47146 Phone : (812) 923-9641 Business Category Government Offices-Federal Government Offices & Public Schools Post Office - Mount Saint Francis 102 Saint Francis Blvd Mount Saint Francis, IN 47146 Phone : (812) 923-9641 Post Office - Mount Saint Francis Business Category Post Offices Toll-Free           (800) ASK-USPS