Where is Loaf N Jug? It is located at Loaf N Jug 4380 S Poplar St, Casper, WY 82601, United States. You can get directions for Loaf N Jug, who is in the Gas station category. You can find up-to-date information on 4380 S Poplar St, Casper, WY 82601, United States Gas station companies on our website.