Post Offices in Gardena, California, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Alondra Post Office No Reviews Favorite Phone: (310) 324-8221Retail Hours Gardena Post Office No Reviews Favorite Fax: (310) 327-6061Phone: (310) 327-9972Retail Hours South Gardena Post Office No Reviews Favorite Phone: (310) 324-9887Retail Hours