Curves O'fallon North Side is located at 812 Midpoint Dr, O Fallon, MO. This business specializes in Health Clubs and Personal Trainers. Curves O'fallon North Side is open Mon, Wed, 5:45am - 12:30pm, 3pm - 7:30pm; Tues, Thu, 8am - 12:30pm, 4pm - 7pm; Fri, 5:45am - 12:30pm, 3pm - 7pm; Sat, 8am - 11am and accepts Cash, Mastercard and Visa.