Post Offices in Aliquippa, Pennsylvania, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Aliquippa Post Office No Reviews Favorite Fax: (724) 378-3381Phone: (724) 378-0692Retail Hours Mac Arthur Post Office No Reviews Favorite Phone: (724) 378-0692Retail Hours