Cosmos Club
2121 Massachusetts Avenue, NW
Washington, DC 20008
Phone: (202) 387-7783 | (202) 797-6442
Fax: (202) 234-6817

Front Desk
Overnight Rooms/Guest Inquiries
Phone: (202) 387-7783 | (202) 797-6442
Email: frontdesk@cosmosclub.org

Member Services
Dining & Club Events Reservations
Phone: (202) 797-6443
Email: memberservices@cosmosclub.org

General Inquiries
Phone: (202) 387-7783
Email: clubservices@cosmosclub.org

Employment Opportunities

Information Technology
ithelpdesk@cosmosclub.org

IT Help Desk Hours:  Monday-Friday: 9 am-7 pm.

Please email any items to ithelpdesk@cosmosclub.org. A ticket will be automatically opened and all IT staff will be notified.