The Etna Post Office is located in the state of Maine within Penobscot County. This location serves 1,246 Etna residents with a median income of $52,083. It's estimated that approximately 1,989 packages pass through this post office each year.
The Etna Post Office is located in the state of Maine within Penobscot County. This location serves 1,246 Etna residents with a median income of $52,083. It's estimated that approximately 1,989 packages pass through this post office each year.