U.S. Department of Commerce
Office of Security
Room 1067
1401 Constitution Avenue, NW
Washington, DC 20230
202-482-4371 | 202-501-6355 (f)

Herbert C. Hoover Building (HCHB) Security Service Center

202-482-8355

HCHB Security Dispatch Center 

For all security, fire and medical emergencies, Department employees and building occupants should call 2-2222. The 24-hour dispatch office will respond to your issue, call 911 and provide building access when outside emergency help arrives.  

For non-emergencies, information or questions on security issues, please call the 24-hour dispatch center at 202-482-4584.

Field Offices

To reach a Field Office, please visit its website for contact information.