Store Locator Underwood FAST STOP Express (AGRILAND FS)701 Railroad Highway Underwood, IA 51576 Contact Phone: 712-566-2313 Website: https://www.agrilandfs.com Get Directions Amenities 24 Hour Pumps Credit Card Only Fuel Types Gasoline Diesel E-85 E-15 Fuel Prices Regular $3.19 as of 3/29/2026 8:41:14 AM Diesel $4.69 as of 3/29/2026 8:41:14 AM E85 $2.09 as of 3/29/2026 8:41:14 AM Accepted Payments American Express Discover FAST STOP Cards Gift Card Mastercard Visa Voyager Wright Express