The NIDCD maintains a directory of organizations that provide information on the normal and disordered processes of hearing, balance, taste, smell, voice, speech, and language.

Use the following keywords to help you find organizations that can answer questions and provide information on age-related hearing loss:

  • Late-deafened adults
  • Hearing aids
  • Presbycusis
  • Hard-of-hearing
  • Tinnitus

For more information, additional addresses and phone numbers, or a printed list of organizations, contact:

NIDCD Information Clearinghouse

1 Communication Avenue

Bethesda, MD 20892-3456

Toll-free Voice: (800) 241-1044 Toll-free TTY:; (800) 241-1055

Fax: (301) 770-8977


Source: National Institutes of Health;National Institute on Deafness and Other Communication Disorders

Last reviewed by a Cleveland Clinic medical professional on 05/18/2016.

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