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

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Small and Mid-size Businesses
Small Business Services: 1-800-638-6582

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U.S. Chamber of Commerce
1615 H Street, NW
Washington, DC 20062-2000
Main Number: 202-659-6000

Regional Offices

Regional Offices of the U.S. Chamber of Commerce

General Inquiries

If you would like to speak via phone, please call our main number at 202-659-6000 and choose the appropriate option.