Community Interaction Survey
 O'Fallon Sector Map

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View/Watch 1019 Bryan Road O'Fallon, MO 63366
O'Fallon, MO 63366 Phone:  636-240-3200
Phone:  636-240-3200
Hours: (Records) M – F, 7 a.m. – 5 p.m.; (Municipal Court) M – F, 8:30 a.m. – 4:30 p.m.
O'Fallon Municipal Centre
100 North Main Street
O'Fallon, MO 63366
 Phone:  636-240-2000
 Hours:  Mon. – Fri.: 8:30 a.m. – 4:30 p.m.