Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Visit the hotel South main diner, which is in the state Illinois (IL), city Caseyville. Our hotel can be found at 421 S Main St, Caseyville, IL 62232-1821. Great deals on best and cheap hotels. Your comments* (not for publishing) * — Required information South main diner/421 S Main St - Caseyville - Illinois (IL) ← View details 421 S Main St, Caseyville, IL 62232-1821, Caseyville, Illinois (IL) +1 618-344-4005