De Koster & De Koster Address: 1102 Main St, Hull, IA 51239 Phone: (712) 439-2511 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Lawyers Other Businesses: Family Bowl & Cafe at 1130 Maple St, Hull, IA 51239