Onemain Financial Address: 5144 N Harlem Ave, Harwood Heights, IL 60706 Phone: (708) 867-6866 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Mortgages, Financing, Loans, Loans-Personal, Onemain Financial Other Businesses: ZEESGROUP at 6850 Montrose Ave, Harwood Heights, IL 60706 Check 'n Go at 4634 N Harlem Ave, Harwood Heights, IL 60706