Home › Top 5 Car Wash in O'Fallon, Missouri Find best Car Wash in O'Fallon, Missouri, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Zips Car Wash - O'Fallon (MO 63366) US, O'Fallon, MO 633661008 State Hwy K Tommy’s Express® Car Wash - O'Fallon (MO 63368) US, O'Fallon, MO 63368101 Fallon Loop Rd Waterway Carwash - O'Fallon (MO 63368) US, O'Fallon, MO 633683995 Crusher Dr Club Car Wash - O'Fallon (MO 63366) US, O'Fallon, MO 63366914 Bryan Rd Country Club Car Wash - O'Fallon (MO 63368) US, O'Fallon, MO 633682999 State Hwy K