Post Offices in Long Island City, New York, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Long Island City Post Office No Reviews Favorite Fax: (718) 321-5975Phone: (718) 349-4634Retail Hours Plaza Post Office No Reviews Favorite Fax: (718) 321-5975Phone: (718) 937-9126Retail Hours