First Security Bank Address: 2 Bradford Dr, Mackinaw, IL 61755 Phone: (309) 359-5060 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Banks Other Businesses: First Security Bank at 101 E Fast Ave, Mackinaw, IL 61755 Heartland Bank & Trust Co at 116 S Main St, Mackinaw, IL 61755 Hicksgas at 30214 State Route 9, Mackinaw, IL 61755 Family Restaurant at 100 S Orch St, Mackinaw, IL 61755