Post Offices in Yorktown, Virginia, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Coast Guard Finance Unit Post Office No Reviews Favorite Phone: (757) 856-2169Retail Hours Grafton Post Office No Reviews Favorite Fax: (757) 898-5497Phone: (757) 898-5435Retail Hours Yorktown Post Office No Reviews Favorite Fax: (757) 898-5497Phone: (757) 898-4401Retail Hours