only go to the US embassy once you receive the interview appointment. before that, everything is handled by travel agency.


Address: 27 Napier Road, Singapore 258508,
Tel: (65) 6476-9100, Fax: (65) 6476-9340.
http://www.usembassysingapore.org.sg/


It takes 5 working days from they receive your application till they hold your interview. it may be longer for other nationals.

1 or 2 days are needed from your visa is approved till you get back your passport.