American Bank & Trust Address: 120 E Main St, Wessington Spgs, SD 57382 Phone: (605) 539-1222 Banks Other Businesses: Bridgman, Casey at 510 Dakota Ave N, Wessington Spgs, SD 57382 Koch Law Offices at 205 Wallace Ave S, Wessington Spgs, SD 57382 Sweet Grass Eatery at 116 Main St E, Wessington Spgs, SD 57382