just got my social security number how can
A Social Security card has your name and a 9-digit number given to you by the United States Social Security Administration. You can use your Social Security card as proof of identity. Apply In Person Apply By Mail.ND. If you have never had a Social Security Number, and are applying for the first time, you must also provide proof of age (either your birth certificate or passport). Where to mail: Mail your documents and application to your local Social Security office.