Post Offices in Augusta, Maine, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Augusta Post Office No Reviews Favorite Fax: (207) 622-4586Phone: (207) 622-6114Retail Hours Water Street Post Office No Reviews Favorite Fax: (207) 622-4586Phone: (207) 623-8054Retail Hours