-Yes, you need to update it in the local SSA office. SSM will be the same number, but the system will record you as the permanent resident which has different benefits from non-immigrant.
或需要到SSN管理局辦理什麽手續嗎?
-Bring your ID, the green card and old SSN card.
還是拿到綠卡後就可以直接用之前的SSN工作?先謝謝你的回答。