US State Department Directory of Embassies and Consulates

Wherever you are in the world if you are an American and you think that you are or are in danger of becoming an illegal alien then United States Embassies, Consulates, and Diplomatic Missions are your first line of defense against deportation. These facilities are staffed with professional English speaking personnel all over the world who can provide you with valuable information about the immigration laws of the country that you are in. They can also help you contact friends, family members, and business associates back home in addition to helping you arrange transportation both back to America and around the country you are. They can also provide shelter in times of civil unrest.

The U.S. Department of State provides a free directory of United States Embassies, Consulates, and Diplomatic Missions all over the world (linked to above).