Intellectual and Developmental Disabilities

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The Arc of the United States

Phone: (202) 534-3700 or 1-800-433-5255
Fax: (202) 534-3731
Address: 1825 K Street, NW, Suite 1200
                 Washington, DC 20006

Description of Services: The Arc is the largest national community-based organization advocating for and serving people with intellectual and developmental disabilities and their families.

Ages Served: All ages

Service Area: National

Website: http://www.thearc.org/page.aspx?pid=2530

American Association on Intellectual and Developmental Disabilities 

Phone: (202) 387-1968
Fax: (202) 387-2193
Address: 501 3rd St, NW, Suite 200
                 Washington, DC 20001

Description of Services: The American Association on Intellectual and Developmental Disabilities (AAIDD) provides worldwide leadership on the field of intellectual and developmental disabilities. AAIDD is the leader in advocating quality of life and rights for those with intellectual disabilities.

Service Area: National

Website: http://aaidd.org/