A-Z Index of U.S. Government Departments and Agencies
Find contact information for U.S. federal government departments and agencies including websites, emails, phone numbers, addresses, and more. Get contact information for each state and territory.
U
- U.S. AbilityOne Commission
- U.S. Access Board
- U.S. Africa Command
- U.S. Agency for Global Media
- U.S. Agency for International Development (USAID)
- U.S. Air Force
- U.S. Air Force Reserve Command
- U.S. Arctic Research Commission
- U.S. Army
- U.S. Army Corps of Engineers
- U.S. Botanic Garden
- U.S. Capitol Police
- U.S. Capitol Visitor Center
- U.S. Census Bureau
- U.S. Central Command (CENTCOM)
- U.S. Chemical Safety Board
- U.S. Citizenship and Immigration Services (USCIS)
- U.S. Coast Guard
- U.S. Commission of Fine Arts
- U.S. Commission on International Religious Freedom
- U.S. Commodity Futures Trading Commission (CFTC)
- U.S. Court of Appeals for Veterans Claims
- U.S. Courts of Appeal
- U.S. Customs and Border Protection
- U.S. Cyber Command
- U.S. Department of Agriculture (USDA)
- U.S. Department of Commerce (DOC)
- U.S. Department of Defense (DOD)
- U.S. Department of Education (ED)
- U.S. Department of Energy (DOE)
- U.S. Department of Health and Human Services (HHS)
- U.S. Department of Homeland Security (DHS)
- U.S. Department of Housing and Urban Development (HUD)
- U.S. Department of Justice (DOJ)
- U.S. Department of Labor (DOL)
- U.S. Department of State (DOS)
- U.S. Department of the Interior (DOI)
- U.S. Department of the Treasury
- U.S. Department of Transportation (DOT)
- U.S. Department of Veterans Affairs (VA)
- U.S. Election Assistance Commission (EAC)
- U.S. European Command
- U.S. Fire Administration (USFA)
- U.S. Fleet Forces Command
- U.S. Geological Survey (USGS)
- U.S. House of Representatives
- U.S. Immigration and Customs Enforcement (ICE)
- U.S. Indo-Pacific Command
- U.S. International Development Finance Corporation (DFC)
- U.S. International Trade Commission
- U.S. Marine Corps
- U.S. Marshals Service
- U.S. Military Academy, West Point
- U.S. Mint
- U.S. Mission to the United Nations
- U.S. National Central Bureau - Interpol
- U.S. Navy
- U.S. Northern Command
- U.S. Nuclear Regulatory Commission (NRC)
- U.S. Parole Commission
- U.S. Patent and Trademark Office
- U.S. Postal Inspection Service
- U.S. Postal Service (USPS)
- U.S. Senate
- U.S. Sentencing Commission
- U.S. Southern Command
- U.S. Space Command
- U.S. Special Operations Command
- U.S. Strategic Command
- U.S. Trade and Development Agency
- U.S. Trade Representative
- U.S. Transportation Command
- U.S. Trustee Program
- Unified Combatant Commands
- Uniformed Services University of the Health Sciences
- US-CERT (US CERT)
- USAGov
