Post Offices in Waianae, Hawaii, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Nanakuli Post Office No Reviews Favorite Phone: (808) 696-0161Retail Hours Waianae Post Office No Reviews Favorite Fax: (808) 696-5062Phone: (808) 696-0161Retail Hours