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

Front Desk
Overnight Rooms/Guest Inquiries
Phone: (202) 387-7783 | (202) 797-6442
Email: [email protected]

Member Services
Dining & Club Events Reservations
Phone: (202) 797-6443
Email: [email protected]

General Inquiries
Phone: (202) 387-7783
Email: [email protected]

Employment Opportunities – view and apply for current openings
Carolyn Rehman
[email protected]

Information Technology
[email protected]

IT Help Desk Hours:  Monday-Friday: 9 am-5 pm.

Please email any items to [email protected]. A ticket will be automatically opened and all IT staff will be notified.