King Soopers has shown its customer service address detail for its customers that are shown below. Address detail : The Kroger Co., 1014 Vine Street Cincinnati, Ohio 45202-1100, United States. customer service number : 1-866-221-4141, 1-800-576-4377. Below, we are showing a complaint box, where you can post your experiences, complaints, queries, feedback or any type of problem related to the products and services of the King Soopers.