American Bank & Trust Address: 212 Calumet Ave, De Smet, SD 57231 Phone: (605) 854-3321 Banks Other Businesses: Ingalls Homestead at 20812 Homestead Rd, De Smet, SD 57231 Prairie House Bed & Breakfast at 209 SD Highway 25 S, De Smet, SD 57231 Heritage House Bed & Breakfast at 126 Calumet Ave SE, De Smet, SD 57231 De Smet Super Deluxe Inn at 288 US Highway 14 W, De Smet, SD 57231