If you receive a notice from the IRS that leads you to believe someone may have used your social security number fraudulently, please notify the IRS immediately by responding to the name and number printed on the notice or letter.

You can contact the Federal Trade Commission (FTC) Identity Theft Hotline toll-free at 877-438-4338 if you suspect someone else is using your social security number, or to secure information on how to prevent identity theft.

If you are an actual or potential victim of identity theft and would like the IRS to mark your account to identify any questionable activity, please complete Form  14039 Identify Theft Affidavat available on irs.gov.