Wilcox Polking Gerken Address: 115 E Lincoln Way, Jefferson, IA 50129 Phone: (515) 386-3158 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Lawyers Other Businesses: Wilcox Polking Gerken at 115 E Lincoln Way, Jefferson, IA 50129