Steak 'n Shake adresses in O Fallon‚ IL Home Work hours Steak 'n Shake hours Illinois O Fallon AddressPhoneMap109 Regency Park O Fallon(618) 628-8830 You May Like Blimpie hoursDairy Queen hoursSteak 'n Shake hoursImo's Pizza hoursSonic hoursBurger King hoursPeople Are Reading