Post Offices in Martinsville, Virginia, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Central Martinsville Post Office No Reviews Favorite Phone: (276) 638-1607Retail Hours Martinsville Post Office No Reviews Favorite Fax: (276) 666-1145Phone: (276) 638-2702Retail Hours