Community State Bank Address: 2300 Highway 28, Norwalk, IA 50211 Phone: (515) 285-4900 Banks Other Businesses: NXT Bank at 801 Main St, Norwalk, IA 50211 Warren County at 2300 R63 Hwy, Norwalk, IA 50211 Optometric Associates-Warren at 1228 Sunset Dr, Norwalk, IA 50211 Optometric Associates-Warren at 1228 Sunset Dr, Norwalk, IA 50211