Blackhawk Bank & Trust Address: 335 River Dr, Princeton, IA 52768 Phone: (563) 289-5311 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Banks Other Businesses: Virgil I Grissom Elementary at 500 Lost Grove Rd, Princeton, IA 52768 Caseys Carry Out Pizza at 500 N Highway 67, Princeton, IA 52768 Dennys at 24460 250th St, Princeton, IA 52768 Royal Metals Group at 26600 264th St, Princeton, IA 52768