Eldorado, OH

ZIP code 45321 is located in Darke County, Ohio. This area is home to the village of Eldorado, known for its rich agricultural history and small-town charm. Major landmarks in this ZIP code include Eldora Speedway, a famous dirt racing track that hosts national events, and the Eldorado Branch Library, a hub for community activities and resources. The area also boasts picturesque farmland and rolling countryside views.