Post Offices in Palo Alto, California, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Cambridge Post Office No Reviews Favorite Fax: (650) 323-2893Phone: (650) 321-1423Retail Hours Hamilton Post Office No Reviews Favorite Phone: (650) 321-1423Retail Hours Veterans Bureau Hospital Post Office No Reviews Favorite Phone: (650) 493-5000Retail Hours