Post Offices in Lansdowne, Pennsylvania, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Lansdowne Post Office No Reviews Favorite Fax: (610) 623-8234Phone: (610) 622-7311Retail Hours Yeadon Post Office No Reviews Favorite Phone: (215) 623-1384Retail Hours