Post Offices in Silverdale, Washington, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Bangor Submarine Base Post Office No Reviews Favorite Phone: (360) 396-6141Retail Hours Silverdale Post Office No Reviews Favorite Fax: (651) 456-6261Phone: (360) 308-0301Retail Hours