U.S. Department of State
The Department of State (DOS) advises the President and leads the nation in foreign policy issues. The State Department negotiates treaties and agreements with foreign entities and represents the United States at the United Nations.
Contact details
Main address
Not listed on the official department page.
Use this address block when you need the main headquarters mailing address or the official contact page for U.S. Department of State.
Largest component agencies in State
This table shows the biggest component agencies or major organizational units reported under U.S. Department of State in the latest OPM workforce summary.
| Agency | Employees | Total salary expense | Average pay | Share of department |
|---|---|---|---|---|
| Department of State | 14,163 | $1,894,981,074 | $133,798 | 100.0% |
Component agency counts use the latest OPM summary release for March 2025. A few very small units may be rounded or grouped in the source file.
Find an office near you
These are the office finder or locator tools linked by U.S. Department of State on its official USAGov page. Use them if you need a field office, local service center, or regional contact point.
Other official contact routes
Contact details and office links come from the USA.gov agency directory. Workforce counts and average pay come from the latest OPM FedScope Employment Summary Data (March 2025).