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Department on Disability Services

District of Columbia Department on Disability Services with logo
Office Hours
Monday to Friday, 8:30 am to 5:00 pm

Connect With Us
250 E Street, SW, Washington, DC 20024
Phone: (202) 730-1700
Fax: (202) 730-1843
Email: [email protected]

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International Day of Sign Languages

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According to the World Federation of the Deaf, there are approximately 72 million deaf people worldwide. More than 80% of them live in developing countries. Collectively, they use more than 300 different sign languages.

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