The Executive Branch

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The executive branch of the government is responsible for enforcing the laws and regulations as set forth by the Constitution, the Congress and the President. The President, Vice President, Cabinet and department heads, as well as the appropriate federal agencies carry out this mission. The power of the Executive Branch rests in the President of the United States, who also acts as head of state, chief diplomat and Commander-in-Chief of the armed forces. The President also has the power to enact law through executive order, the power of veto and the power of appointment.

Answering to the President, the Cabinet and independent federal agencies are responsible for the day-to-day enforcement and administration of federal laws, and encompass every aspect from the Department of Defense to the Federal Communications Commission.  A full list of Executive Departments and agencies is below.

Executive Office of the President

The Executive Office of the President (EOP) was created by FDR in 1939. The EOP has responsibility for tasks including communicating the President’s message to the American people and abroad. Overseen by the White House Chief of Staff, the EOP has traditionally been home to many of the President’s closest advisors.

The following entities exist within the Executive Office of the President:

Council of Economic Advisers

Council on Environmental Quality

Domestic Policy Council

President's Intelligence Advisory Oversight Boards

Office of the United States Trade Representative

Office of Administration

Office of Management and Budget

Office of National AIDS Policy

Office of National Drug Control Policy

Office of Science and Technology Policy

National Economic Council

National Security Council

Privacy and Civil Liberties Oversight Board

White House Military Office

White House Office

In addition, the following entities exist within the White House Office:

Advance

Appointments and Scheduling

Office of Cabinet Affairs

Chief of Staff’s Office

Office of Communications

Office of Energy and Climate Change Policy

Office of the First Lady

Homeland Security Council

Office of Legislative Affairs

Office of Public Liaison and Intergovernmental Affairs

Oval Office Operations

Office of Political Affairs

Office of Presidential Personnel

Office of the White House Counsel

Office of the Press Secretary

Office of Social Innovation

Office of the Staff Secretary

Office of Urban Affairs Policy

Office of Management and Administration

White House Fellows

You May Write to any of these Offices:

C/O
The White House
1600 Pennsylvania Avenue NW
Washington, DC 20500

or call

Switchboard: 202-456-1414

Executive Departments

Department of Agriculture (USDA)
U.S. Department of Agriculture
1400 Independence Ave., S.W.
Washington, DC 20250

Department of Commerce (DOC)
U.S. Department of Commerce
1401 Constitution Ave., NW
Washington, DC 20230
Main: (202) 482-2000

Department of Defense (DOD)
1400 Defense Pentagon,
Washington DC 20301-1400
Pentagon Switchboard
703-545-6700
Public Communication
703-428-0711

Department of Education (ED)
U.S. Department of Education
400 Maryland Avenue, SW
Washington, D.C. 20202
1-800-USA-LEARN (1-800-872-5327)

Department of Energy (DOE)
1000 Independence Ave., SW
Washington, DC 20585
1-800-dial-DOE
f/202-586-4403

Department of Health and Human Services (HHS)
The U.S. Department of Health and Human Services
200 Independence Avenue, S.W.
Washington, D.C. 20201
Telephone: 202-619-0257
Toll Free: 1-877-696-6775

Department of Homeland Security (DHS)
U.S. Department of Homeland Security
Washington, DC 20528
Operator Number: 202-282-8000
Comment Line: 202-282-8495
Inquiries for US Citizenship/ Immigration: 1-800-375-5283

Department of Housing and Urban Development (HUD)
U.S. Department of Housing and Urban Development
451 7th Street S.W., Washington, DC 20410
Telephone: (202) 708-1112 TTY: (202) 708-1455

Department of Justice (DOJ)
U.S. Department of Justice
950 Pennsylvania Avenue, NW
Washington, DC 20530-0001
Department of Justice Main Switchboard - 202-514-2000
Office of the Attorney General: 202-353-1555

Department of Labor (DOL)
U.S. Department of Labor
200 Constitution Ave., NW
Washington, DC 20210
1-877-889-5627

Department of State (DOS)
U.S. Department of State
2201 C Street NW
Washington, DC 20520
Main Switchboard: 202-647-4000
TTY:1-800-877-8339 (Federal Relay Service)
Hotline for American Travelers: 202-647-5225
Passport Information: 1-877-487-2778
Visa Information: 202-663-1225

Department of the Interior (DOI)
Department of the Interior
1849 C Street, N.W.
Washington DC 20240
Phone: 202-208-3100

Department of the Treasury
1500 Pennsylvania Avenue, NW
Washington, D.C. 20220
General Information: (202) 622-2000
Fax: (202) 622-6415

Department of Transportation (DOT)
U.S. Department of Transportation
1200 New Jersey Ave, SE
Washington, DC 20590
Voice = 1-866-377-8642

Department of Veterans Affairs (VA)
www.va.gov

For more info about the US Federal Government and how it is organized:
The US Federal Government's Official Website