Post Offices in Greenwood, South Carolina, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Greenwood Post Office No Reviews Favorite Fax: (864) 941-4128Phone: (864) 229-6072Retail Hours Magnolia Post Office No Reviews Favorite Fax: (864) 223-4614Phone: (864) 229-0691Retail Hours South Greenwood Post Office No Reviews Favorite Phone: (864) 227-8741Retail Hours