Sonic Drive-In Sonic Drive-In Search | Advanced Search | New Members | Coupons and Discounts | All Categories Restaurants, Food & Beverages >> Restaurants/Clubs Sonic Drive-In 1738 S Irby StFlorence, SC 29505 (843) 664-4540 | fax: (843) 664-4541 Send a message to: Sonic Drive-In Your Name: Your Email: Subject: Message: (Date: 4/25/2024)