First PREMIER Bank Address: 202 E Main St, Castlewood, SD 57223 Phone: (605) 793-2555 Banks, Loans Other Businesses: Citizens State Bank at 108 E Main St, Castlewood, SD 57223 Allen Kannas at 18665 459th Ave, Castlewood, SD 57223 Ships Inn at 105 Main St, Castlewood, SD 57223 Flinner's Bar & Grill at 121 E Main St, Castlewood, SD 57223