Dauphin Island, AL

ZIP code 36528 covers Dauphin Island, a barrier-island community in Mobile County, Alabama, at the mouth of Mobile Bay. Notable sites include Fort Gaines, a 19th-century coastal fort; the Audubon Bird Sanctuary, a major stop for migratory birds; and the Dauphin Island Sea Lab’s Alabama Aquarium at the Estuarium. Indian Shell Mound Park preserves archaeological mounds and coastal woodland.