IHOP adresses in O'Fallon‚ MO Home Work hours IHOP hours Missouri O'Fallon AddressPhoneMap1912 HIGHWAY O'Fallon(636) 281-4467 You May Like Menchie's Frozen Yogurt hoursWendy's hoursPizza Hut hoursDairy Queen hoursGolden Corral hoursChick-fil-A hoursPeople Are Reading