Heartland Mutual Insurance Company Heartland Mutual Insurance Company Visit Website 1112 Mascoutah Avenue Belleville, IL 62220-3624 (618) 233-2006 (800) 528-3162 (618) 233-4837 (fax) Hours: Monday through Friday, 8:30 am to 5:00 pm About About A FarMutual insurance company with over a century of service to policyholders, Heartland Mutual provides coverage for farms, homes, rentals and renters. ShareTweetShare0 Shares ShareTweetShare0 Shares