Post Offices in Newport Beach, California, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Balboa Island Post Office No Reviews Favorite Fax: (949) 640-4703Phone: (949) 640-4663Retail Hours Balboa Newport Beach Post Office No Reviews Favorite Fax: (949) 640-4703Phone: (949) 675-2469Retail Hours Bay Station Stamp Store Post Office No Reviews Favorite Phone: (949) 645-3154Retail Hours Newport Beach Post Office No Reviews Favorite Fax: (949) 640-4703Phone: (949) 640-4663Retail Hours