Post Offices in Olathe, Kansas, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Olathe Post Office No Reviews Favorite Phone: (913) 782-3765Retail Hours Olathe East Post Office No Reviews Favorite Fax: (913) 829-2085Phone: (913) 782-3423Retail Hours