The U.S. Embassy is situated in Vienna. It works to develop and sustain the important and longstanding relationship between Austria and the USA, and provide consular assistance to U.S. nationals and Austria nationals. A lot of American citizens visit Austria every year. The U.S. Embassy in Vienna provides a range of routine and emergency services for Americans who live in Austria or who are just visiting.
In the U.S. Embassy travelers, who wish to work, study or live in the United States, can: establish and renew passports and other official documents, apply for different kinds of visas (non-immigrant visas: K-1 fiancee visa, F-1 student visa, B-1 business visa, B-2 tourist visa, J-1 exchange visa etc., and immigrant visas: green card), renew visas and other services.
Here is the contact information of the U.S. Embassy in Austria:
U.S. Embassy in Austria
Boltzmanngasse 16
1090 Vienna, Austria
Phone: (+43-1) 31339-0
Fax: (+43-1) 310 06 82
Information for the U.S. nationals traveling to Austria:
The U.S. Embassy is responsible for its own fellow U.S. citizens, living or travelling in the host country. The American Citizen Services Section (ACS) assists people with passport renewal, registration of Americans residing in Austria, birth reports for children of American citizens, income tax forms, voter registration, notarial services and emergency service for Americans.