National Groups

National Down Syndrome Society

Website: www.ndss.org
Email: info@ndss.org
Phone: 1-800-221-4602

National Down Syndrome Congress

Website: www.ndsccenter.org
Email: info@ndsccenter.org
Phone: 1-800-232-NDSC (6372)

Global Down Syndrome Foundation

Website: www.globaldownsyndrome.org
Email: info@globaldownsyndrome.org
Phone: 303-321-6277