Springfield, OH

ZIP code 45505 encompasses a portion of Chillicothe, Ohio. This area is known for the presence of the Ross County Fairgrounds, where the annual Ross County Fair takes place. The Ross County Historical Society Museum is also located in this ZIP code, showcasing local history and artifacts. Additionally, the Adena Mansion and Gardens, the former estate of Ohio's first governor, Thomas Worthington, is a notable landmark in the area.