Check your Social Security card (often mailed to you at birth or when you first applied)
Look for your Social Security card in important documents (wallet, files, or a secure folder)
Review your tax records (W-2 forms, 1099 forms, prior tax returns)
Check your pay stubs or employment records that list your Social Security number
Search your Social Security Administration (SSA) online account (my Social Security) if you already created one
Use SSA’s “Replacement SSN” process if you need a copy of your card
Contact the SSA directly to confirm options for verifying your number
If you suspect fraud or identity theft, place a fraud alert or freeze your credit and contact SSA