I'm a foreign student, and i tried to apply "attestation de droit" on-line in order to renew my VISA, and it says : un numéro a déjà attribué. And I went to the CPAM on-site...
Hello Chun Hao,If you made an application through the caisse d'allocations familiales (Caf), I advise you to contact this organism directly to get your social security number...