Call the IRS at 1-800-829-1040 for individual tax questions
Call the IRS at 1-800-829-4933 for business tax questions
Call the IRS at 1-800-829-4059 if you are hearing impaired and use TTY/TDD
Have your Social Security number or EIN ready
Have your tax return, notice, or letter available
Call early in the morning for shorter wait times
Be prepared to verify your identity
Use the IRS website to find the correct phone number for your issue
Use the IRS online account to check notices, balances, and payment options
Mail a written response if the notice instructs you to do so
Visit a local IRS Taxpayer Assistance Center if in-person help is needed
Schedule an appointment before visiting an IRS office
Keep records of the date, time, and name of the IRS representative you speak with