Sample blocking letter

Date

Your Name
Your Address
Your City, State, Zip Code

Complaint Department
Name of Consumer Reporting Company
Address
City, State, Zip Code

Dear Sir or Madam:

I am a victim of identity theft. I am writing to request that you block the following fraudulent information in my file. This information does not relate to any transaction that I have made. The items also are circled on the attached copy of the report I received. (Identify item(s) to be blocked by name of source, such as creditors or tax court, and identify type of item, such as credit account, judgment, etc.)

Enclosed is a copy of the law enforcement report regarding my identity theft. Please let me know if you need any other information from me to block this information on my credit report. 

Sincerely,
Your name

Enclosures: (List what you are enclosing.)