Does this Sonic have Coke Zero? Usually, yes. It's on Sonic's usual fountain lineup, but nobody has checked this location yet.
Usually on the fountain at Sonic (not checked at this location yet): Dr Pepper, Root Beer, Sprite, Coca-Cola, Diet Coke, Coke Zero, Lemonade, Iced Tea.
Address: 3605 East 104Th Avenue, Thornton, CO
Hours: Mon–Sun 8am–midnight