To get a replacement Social Security card you will need to
Complete Form SS-5 - Application for a Social Security Card. (This form can be used to apply for a new card, to replace your card or to correct information shown on your card.);
Present an unexpired original document, , like a drivers license, with identifying information and preferably a recent photograph that proves your identity;
Show evidence of your U.S. citizenship if you were born outside the United States and did not show proof of U.S. citizenship when you got your original card; and
If you are not a U.S. citizen, show evidence of your current naturalization or lawful noncitizen status.
Replacement Social Security cards cannot be applied for online. You must either take or mail the completed SS-5 application and all required documents to your local Social Security Office.