Residents of Uganda who have questions regarding benefits or services from Federal Agencies i.e. Social Security Administration, Department of Veterans Affairs, Office of Personnel Management or Railroad Retirement Board should contact the Federal Benefits Unit in London. 

The best way to contact the London Federal Benefits Unit is via email at FBU.London@ssa.gov.  You will receive a reply within 3 business days.
If necessary, you can write to the London Federal Benefits Unit at the following address:

U.S. Embassy
Federal Benefits Unit
Box 0005
24 Grosvenor Square
London W1A 2LQ

Another option is to call the London Federal Benefits Unit Monday through Friday between the hours 8:30am and 1:00pm (London Time) at +44-020-7499-9000 Extensions 2926 or 2927.  If you cannot dial extensions directly please listen carefully for the automated switchboard option of “Federal Benefits Unit”.