Wal-mart Supercenter Barnwell, SC 29812 Phone : (803) 259-0066 Business Category Department Stores Miscellaneous General Merchandise Stores Wal-mart Supercenter -- Pharmacy 11391 Dunbarton Blvd Barnwell, SC 29812 Phone : (803) 259-0066 Business Category Department Stores Miscellaneous General Merchandise Stores Services           Gift Certificates Products           Books, Gifts, Toys