You will need to contact Mint for assistance with this.
Sign in to your Mint account, Click on the green Help button then Click on How do I contact customer care?
**Mark the post that answers your question by clicking on "Mark as Best Answer"
Intuit Mint does not have a customer service number you can call to delete your Mint account. Here is the FAQ on how to delete your Mint account. If those steps don't work for you, you can reach out to Mint Chat support by clicking the Chat button near the bottom of the page.