Manage your Social Security number, which is your first and continuous connection to us. Replace card. Replace your card if it's lost, stolen, or damaged and you need it to get something done.
If your Social Security card has been lost or stolen, or if you suspect your Social Security number is being used illegally by someone else, the SSA and the Federal Trade Commission (FTC) recommend that you take the following steps as soon as possible: Step 1.
Whether the card was lost or stolen you should probably inform the Social Security Administration. This again will help you protect yourself against any illegal activity performed using your card if it falls into the hands of someone else.

Make a report of the stolen Social Security card to the authorities by contacting your neighborhood law enforcement office. As a result, a formal record of the incident will be created.Learn more about how to monitor your Social Security benefits. 7. Obtain a Replacement Card.
Find out how to apply for a replacement social security card that was lost or stolen.

You can get a replacement social security card only if you don't request any change the original card, you just want a new card that copies the information from your old card. Also, you will need to have either a state-issued ID card or a driver's license which is valid at this time.
Replacing your Social Security card. Reporting a stolen Social Security number.