U.S. Relations With Iran
The United States and the Islamic Republic of Iran do not have diplomatic relations. Switzerland is the U.S. protecting power and provides limited consular services to U.S. citizens in Iran.
Iran has no embassy in Washington, D.C.
More information about the Islamic Republic of Iran is available from the Department of State and other sources, some of which are listed here:
Department of State Iran Country Page
CIA World Factbook Iran Page
U.S. Virtual Embassy
History of U.S. Relations With Iran
Human Rights Reports
International Religious Freedom Reports
Trafficking in Persons Reports
Narcotics Control Reports
U.S. Census Bureau Foreign Trade Statistics
Office of Foreign Assets Control Sanctions Page
Library of Congress Country Studies