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Hours and Location

American Citizen Services (ACS) Unit

The ACS operating hours are Monday through Friday from 8:30 am to 12:00 pm and Monday through Thursday from 2:30 pm to 4:00 pm, except U.S. and Argentine Holidays and Administrative days.

ACS provides non-emergency services, by appointment only, Monday through Thursday.  You must schedule an appointment online.

For general inquiries, please email with any questions, as most general inquiries can be addressed without coming to the Embassy.  

U.S. citizen life or death emergencies: (54-11) 5777-4354
After-hours emergencies: (54-11) 5777-4873

These numbers are not for visa inquiries

Fax: (54-11) 5777-4250

Social Security and Federal Benefits Unit (FBU)   

The FBU is open to the public, by appointment only, Monday, Tuesday, Thursday and Friday, from 8:00 am to 11:30 am. Please e-mail us to regarding your inquiry.  If necessary, the FBU will schedule an appointment.

Fax: (54-11) 5777-4231



U.S. Embassy Buenos Aires
American Citizen Services
Av. Colombia 4300
C1425GMN Buenos Aires

The Embassy is located in the Palermo neighborhood, city of Buenos Aires. The Plaza Italia Line D subway station is the nearest one.

Holidays: The ACS Unit is closed on U.S. and Argentine holidays and Consular Administrative Days.

Security at the Embassy: Please do not bring electronic devices such as mobile phones, laptops, iPods and Blackberries. They are not allowed on Embassy grounds. Other prohibited items include cigarettes, lighters, cosmetics, liquids, large bags, and packages.

Appointments Required