Post Offices in Columbia, Missouri, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Columbia Post Office No Reviews Favorite Fax: (573) 876-7857Phone: (573) 876-7802Retail Hours Columbia Mall Station Post Office No Reviews Favorite Phone: (573) 447-0101Retail Hours Commerce Station Post Office No Reviews Favorite Fax: (573) 876-7857Phone: (573) 875-4844Retail Hours Tiger Post Office No Reviews Favorite Phone: (573) 441-1862Retail Hours