Post Offices in Lancaster, California, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Cedar Post Office No Reviews Favorite Fax: (661) 945-5163Phone: (661) 948-7251Retail Hours Lancaster Post Office No Reviews Favorite Fax: (661) 945-5163Phone: (661) 948-7251Retail Hours Lancaster Carrier Annex Post Office No Reviews Favorite Fax: (661) 945-5163Phone: (661) 948-7251Retail Hours