Post Offices in Grants Pass, Oregon, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Grants Pass Post Office No Reviews Favorite Fax: (541) 471-3446Phone: (541) 471-2163Retail Hours Grants Pass Dcu Post Office No Reviews Favorite Fax: (541) 471-3446Phone: (541) 956-5437Retail Hours