The Arc

Organization URL(s)

Other Contact Information

1825 K Street NW Suite 1200
Washington , DC 20006
1-800-433-5255 (Voice - Toll-free)
202-534-3700 (Voice)
202-534-3731 (FAX)


Arc is the largest national community-based organization advocating for and serving people with intellectual and developmental disabilities and their families. Arc encompasses all ages and all spectrums from autism, Down syndrome, Fragile X and various other developmental disabilities. With more than 140,000 members and more than 700 state and local chapters nationwide, Arc works to ensure that people with intellectual and developmental disabilities and their families have the support they need to be members of the community.

Online Resources

Print Resources

Fact sheets for family members, advocates, professionals, media, researchers, policymakers and others that provide an overview of a specific topic related to intellectual disabilities can be viewed and downloaded at Other publications addressing issues faced by families affected by intellectual disabilities, including curricula, guidebooks and resource lists on topics of interest to the disability community are found at

Review Date

Tuesday, Dec 20, 2011