Owatonna’s community bank since 1915. Full service financial center. United Prairie Bank has two Owatonna locations. Main Bank located at 110 West Rose Street – lobby open 8:30 a.m. – 5:00p.m. drive-up open 8:00am to 5:30pm and is closed on Saturdays.South Branch office located at 1801 South Cedar open 8:00 a.m. to 5:00p.m, Saturday’s 8:00 am – noon.