Store Locator Mason City FAST STOP152 W. ChestnutMason City, IL 62664 Contact Phone: 217-482-9620 Get Directions Amenities Convenience Store ATM Food Fuel Types Gasoline Diesel Fuel Prices Regular $3.59 as of 2/2/2023 2:09:48 PM Diesel $4.49 as of 2/2/2023 2:09:48 PM Accepted Payments American Express Discover FAST STOP Cards Gift Card Mastercard Visa Voyager Wright Express