The Hiram Post Office is located in the state of Maine within Oxford County. This location serves 1,613 Hiram residents with a median income of $49,896. It's estimated that approximately 2,575 packages pass through this post office each year.
The Hiram Post Office is located in the state of Maine within Oxford County. This location serves 1,613 Hiram residents with a median income of $49,896. It's estimated that approximately 2,575 packages pass through this post office each year.