Post Offices in Williamsburg, Virginia, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Monticello Post Office No Reviews Favorite Phone: (757) 564-7641Retail Hours Williamsburg Post Office No Reviews Favorite Fax: (757) 229-0572Phone: (757) 229-0838Retail Hours