Sonic adresses in Florissant‚ MO Home Work hours Sonic hours Missouri Florissant AddressPhoneMap13947 New Halls Ferry Rd Florissant(314) 837-9100 You May Like Steak 'n Shake hoursImo's Pizza hoursChipotle Mexican Grill hoursIHOP hoursBaskin-Robbins hoursLittle Caesars hoursPeople Are Reading