Post Offices in Auburn, Maine, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Auburn Post Office No Reviews Favorite Fax: (207) 783-4647Phone: (207) 786-0604Retail Hours Great Falls Post Office No Reviews Favorite Fax: (207) 783-4647Phone: (207) 784-4598Retail Hours