According to our records, this business is located at 102 Saint Ellen St. in O Fallon (in St Clair County), Illinois 62269, the location GPS coordinates are: 38.592344 (latitude), -89.955678 (longitude). Bank Of O'Fallon is categorized under Banks (SIC code 6021). Current estimates show that the unit has a sales volume of $2,408,000 and staff of approximately 8 people. You can contact the company by phone at (618) 622-9911.