Documents we may ask for include: Your Social Security card or a record of your number. Your original birth certificate, a copy certified by the issuing agency, or other proof of your age. If you were not born in the U.S., proof of U.S. citizenship or lawful alien status.
The easiest and most convenient way to apply for retirement benefits is by using our online application. You will need to create or log in to your personal my Social Security account.
Fax or mail documents to your local office Download Form W-4 V: Voluntary Withholding Request from the IRS' website. Then, find the Social Security office closest to your home and fax or mail us the completed form.