ValleyStar Credit Union Share: Credit UnionsFinancial Services ValleyStar Credit Union Visit Website 35 DuPont Road Martinsville, VA 24113 (800) 475-6328 About Map About Full Service financial institution providing consumer & commercial products to Southwest Virginia and North Central North Carolina. New Roanoke Branch Location, 3452 Buck Mountain Rd. Rke. Va. ,24018. What's Nearby? Distance: 5 10 15 20 25 50 mi.