You can check your IRS account. See IRS View Your Account Information. You can also contact the IRS at 1-800-829-1040.

If you're an individual taxpayer, you can use this tool to view:

• Your payoff amount, updated for the current calendar day
• The balance for each tax year for which you owe
• Up to 24 months of your payment history
• Key information from your current tax year return as originally filed.