Chick-fil-A adresses in O'Fallon‚ MO Home Work hours Chick-fil-A hours Missouri O'Fallon AddressPhoneMap2106 Highway O'Fallon(636) 272-5346 You May Like A&W Restaurant hoursApplebee's hoursSteak 'n Shake hoursHardee's hoursFirehouse Subs hoursJersey Mike's Subs hoursPeople Are Reading