First National Bank Address: 212 SW Kent St, Greenfield, IA 50849 Phone: (641) 343-7226 Hours: Mon: 8am-6pm Tue: 8am-6pm Wed: 8am-6pm Thu: 8am-6pm Fri: 8am-6pm Sat: 8am-12pm Banks Other Businesses: First National Bank at 101 NE Hayes St, Greenfield, IA 50849 Union State Bank at 214 S 1st St, Greenfield, IA 50849 Warren Cultural Center at 154 Public Sq, Greenfield, IA 50849 Hotel Greenfield at 110 E Iowa St, Greenfield, IA 50849