Down Syndrome of Southern Nevada Down Syndrome of Southern Nevada Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Family, Community & Non-Profit >> Organizations and Non-profit Down Syndrome of Southern Nevada 6960 O'Bannon Drive Ste 130Las Vegas, NV 89117 | map | directions (702) 648-1990 | fax: 702-648-2020 Visit Site Member Since: 2023