Was this page helpful?

Contact Us

Office of Security Headquarters



HCHB Security Service Center



HCHB Security Dispatch Center (to report security violations, a potential threat, or a real time emergency)

202-482-4584/Emergency Only 202-482-2222


Mailing Address:
U.S. Department of Commerce
Office of Security
1401 Constitution Avenue, NW
Washington, DC 20230

Field Offices

To contact a specific Field Office, please visit their specific page for contact information.