Richmond Dale, OH

ZIP code 45673 encompasses the town of Portsmouth in Scioto County, Ohio. This area is known for its historical significance, with landmarks such as the Portsmouth Floodwall Mural, featuring over 55 panels depicting the city’s history. Additionally, Portsmouth is home to the Southern Ohio Museum and Cultural Center, showcasing regional art and history. The ZIP code also includes Shawnee State University, a prominent institution in the region.