Post Offices in Corona, California, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Citrus Post Office No Reviews Favorite Fax: (951) 340-1392Phone: (951) 340-3783Retail Hours Corona Post Office No Reviews Favorite Fax: (951) 737-9540Phone: (951) 737-3120Retail Hours