The FBI's mission is to protect the American people and uphold the Constitution of the United States. We employ 38,000 people at locations around the globe. In addition to our Headquarters in Washington, D.C., we have 56 Field Offices in major U.S. cities, plus more than 350 satellite offices, called resident agencies, in cities and towns across the nation. In addition, we have more than 60 international offices, called legal attaches (legats), in U.S. embassies worldwide.(202) 324-3000