Does this Denny's have Coke Zero? Usually, yes. It's on Denny's's usual fountain lineup, but nobody has checked this location yet.
Usually on the fountain at Denny's (not checked at this location yet): Dr Pepper, Root Beer, Sprite, Coca-Cola, Diet Coke, Coke Zero, Iced Tea.
Address: 4220 Hospitality Ln, Casper, WY
Hours: Mon–Wed 5am–11pm; Thu–Fri 5am–midnight; Sat 6am–midnight; Sun 6am–11pm