What is a valid social security number?
Updated: 1/25/2013
Article ID: IAS10569
A valid social security number is a 9-digit number issued to you by the Social Security Administration. Make sure you've entered all 9 digits correctly on your tax return.
You can find your social security number on your social security card. If you have lost your card, find information on how to get a replacement on the US Social Security Administration's website.