Union State Bank, Greenfield, IA Instalment Loans Business Loan Personal Loans Car Title Loans Online Loans Greenfield, IA 214 South 1st Street. ZIP Code: 50849 (641) 343-7310 Iowa, Greenfield, Instalment Loans About Union State Bank Opening Hours Monday 8:30 AM – 4:00 PM Tuesday 8:30 AM – 4:00 PM Wednesday 8:30 AM – 4:00 PM Thursday 8:30 AM – 4:00 PM Friday 8:30 AM – 4:00 PM Saturday – Sunday Closed Union State Bank on the map Show on Google Map