Sonic Drive-In

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Located in the Cross Keys shopping center, Sonic Drive-In is a quick stop for fast food. This location has a dozen drive-up windows, a drive-thru and tables. Customers can order, pay and receive food all from their cars.
13947 New Halls Ferry Rd, Florissant, MO 63033
(314) 837-9100
  • Fax: 301-754-0082
  • Hours: Sun - Thu, 6am - 11pm; Fri, Sat, 6am - midnight
  • Hours: Wed, Fri, 9am - 3pm.
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