Post Offices in Ballston Spa, New York, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Ballston Spa Post Office No Reviews Favorite Fax: (518) 885-4158Phone: (518) 885-9191Retail Hours Malta Post Office No Reviews Favorite Phone: (518) 899-6254Retail Hours