SONIC Drive-In Address: 6561 Highway 15, Ecru, MS 38841 Phone: (662) 489-1400 Restaurants, Foods-Carry Out, Sonic Drive In Other Businesses: Main Street Trolley at 222 Main St, Ecru, MS 38841 ECRU Fish & Steak House at 388 Main St, Ecru, MS 38841 Bancorp South at 346 Main St, Ecru, MS 38841 Costa Oaxaquena at 6721 Highway 15 N, Ecru, MS 38841