Contact Us

The Chamber of Commerce of the United States of America is a non-profit membership organization representing the unified interests of U.S. business before Congress, government agencies, and the courts.

The best way to reach the Chamber right now is via email. 
Please see below for directions.
If you would like to speak via phone, please call our main number at 202-659-6000 and choose the appropriate option.


Member Service & New Member Inquiries

Chamber members who need assistance, or organizations interested in discussing a new membership.


Chambers of Commerce & Associations

Small and Mid-size Businesses


Press and Media

Reporters who would like to speak with Chamber leaders or policy experts for their stories.



Our mail room is open and receiving mail.

Chamber of Commerce of the United States of America
1615 H Street, NW
Washington, DC 20062-2000

Main Number: 202-659-6000


Regional Offices