U.S. Embassy
Federal Benefits Unit
4 avenue Gabriel
75382 Paris Cedex 8
France
Phone: +33 1 43 12 2705
(Phone calls are taken Monday, Tuesday and Thursday
from 9:00 to 11:00 am)
Fax: +33 1 42 86 8291
Contact Form
Website: https://fr.usembassy.gov/u-s-citizen-services/social-security-administration