Hours Of Operations United Supermarkets Oklahoma Frederick United Supermarkets Hours of Operation and Locations in Frederick, OK 4.6 - 91 votes 1 Locations in Frederick www.unitedsupermarkets.com United Supermarkets Hours Category: Grocery & Market United Supermarkets - Frederick, OK 73542 314 N Main St(580) 335-2220 View Store Details Explore FrederickView More Apparel RoxyDiesel Sports Roxy Recommend For You Whole Earth Provision Company Carter's Daphne's Eblens Factory Brand Shoes Spartan Stores Yu Shan Co USA Limited Viva Mexico Grocery Del Toro Landscape El Toro Boots