Post Offices in Stillwater, Minnesota, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Oak Park Hts Carrier Annex Post Office No Reviews Favorite Phone: (651) 275-1393Retail Hours Stillwater Post Office No Reviews Favorite Fax: (651) 439-5882Phone: (651) 439-7710Retail Hours