Dupaco Community Credit Union Address: 1100 E Business Highway 151, Platteville, WI 53818 Phone: (608) 348-4499 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Mortgages, Loans, Credit Unions, Insurance Other Businesses: Security Finance at 129 S Water St, Platteville, WI 53818-3600