Developmental Disabilities
American Association on Intellectual and Developmental Disabilities
501 3rd Street, NW Suite 200
Washington, D.C. 20001
Telephone: 202-387-1968
www.aamr.org/
Council for Exceptional Children
1110 North Glebe Rd., Suite 300
Arlington, VA 22201
Telephone: 800-224-6830
www.cec.sped.org/
National Association of Councils and Developmental Disabilities
1660 L Street, NW, Suite 700
Washington, D.C. 2003
Telephone: 202-506-5813
www.nacdd.org/
Down Syndrome Interest Group
3296 Roxbury Road
Hatfield, PA 19440
Telephone: 215-822-5939
National Down Syndrome Society
666 Broadway, 8th floor
New York, New York 10012
Telephone: 800-221-4602
www.ndss.org/
National Organization on Disability (NOD)
888 Sixteenth Street NW, Suite 800
Washington, D.C. 20006
Telephone: 202-293-5960
www.nod.org/
The ARC of the United States
www.thearc.org/
