Post Offices in Lafayette, California, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Lafayette Post Office No Reviews Favorite Fax: (925) 284-7539Phone: (925) 283-8229Retail Hours Lafayette Carrier Annex Post Office No Reviews Favorite Fax: (925) 962-1970Phone: (925) 962-6955Retail Hours