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 Diesel $4.05 as of 9/11/2024 8:32:13 PM Regular $3.48 as of 9/11/2024 8:32:12 PM Accepted Payments American Express Discover FAST STOP Cards Gift Card Mastercard Visa Voyager Wright Express