Go back to directory. Add to Address Book. Denny’s Restaurant Denny’s Restaurant Contact: Jim Henley Work 959 N. Illinois Rte. 3 Waterloo IL 62298 workOther Jomar Investments LC 15 Lakeside Drive Lake St. Louis MO 63367 postal Work Phone: 939-1700work Work Fax: 939-1702workfax Work Email: sharik@jomarinvestments.comINTERNET Website: http://www.dennys.com Categories: Eats & Drinks, Restaurant Updated 1 year ago.