Sonic Drive-In Address: 5020 Cambridge Way, Plainfield, IN 46168 Phone: (317) 837-9663 Cuisine: American - Contemporary, Burgers Restaurants, American, Burgers Other Businesses: Wendy's at 2622 E Main St, Plainfield, IN 46168 Papa John's Pizza at 136 N Perry Rd, Plainfield, IN 46168 Bistro India at 130 N Perry Rd, Plainfield, IN 46168 Blimpie at 128 N Perry Rd, Plainfield, IN 46168 Waffle House at 5018 Cambridge Way, Plainfield, IN 46168