501 3rd Street, NW
Suite 200
Washington,
DC 20001-1512
800-424-3688 (Voice - Toll-free)
202-387-1968 (Voice)
202-387-2193 (FAX)
Since 1876, the American Association on Intellectual and Developmental Disabilities (AAIDD) has been providing worldwide leadership in the field of mental retardation. We're a powerful community of leaders with a strong voice and important mission. AAIDD, (formerly AAMR -- American Association of Mental Retardation) is the oldest and largest interdisciplinary organization of professionals and citizens concerned about intellectual and developmental disabilities.