As of 2015, to look up Hess gas station locations, visit the company's website at WilcoHess.com. On the main page, enter either the ZIP code or city and state in the search box under the heading Set Location. Click the Search button to view the results.
A list of locations appear in order of their distance from the ZIP code or city. Under the distance information, the site displays the current price of a gallon of gas at that particular location. Other information includes the address and types of amenities available there. If you need directions, simply click the Directions button next to the car picture, and the directions appear on a new page.