Gretna, LA

ZIP code 70054 is located in Reserve, Louisiana. This area is home to the Garyville/Mt. Airy Math and Science Magnet School, as well as the Garyville Magnet Elementary School. Additionally, the community is near the Marathon Petroleum Refinery, a prominent industrial facility in the region. The zip code encompasses a mix of residential neighborhoods and industrial areas in this part of St. John the Baptist Parish.