Complete form SS-5, which is the official application for a social security card. It is available at ssa.gov or the local social security office.
Make a certified copy of your birth certificate, or a marriage or divorce that took place in the United States.
Take form SS-5, the document copy, your driver's license or government-issued identification and proof of United States citizenship to the local social security office. Proof of citizenship can include a birth certificate, a passport, a certificate of naturalization or consular report of birth. These can be mailed as well, but you must mail the original copies of all of these documents.