You have to go through a menu to get routed to find an agent for your issue, if one is available. The IRS telephone number is 1-800-829-1040, and they are available from 7 a.m. –
Then, the taxpayer should call the IRS using the toll-free Identity Verification telephone number: (800) 830-5084. If the taxpayer did not file the return in question, they should still call
Four Things You Should Know Before Calling the IRS. If you’re one of the millions of people who need to call the IRS every year, here’s the IRS phone number – and what you need to know

If you can't verify your identity online or don't have the required documentation, please contact us using the toll-free number listed on your letter. To expedite the process when calling, you must have: Your 5071C letter, 5747C letter, 5447C letter, or 6331C letter. The Form 1040-series tax return for the year shown on the letter.

Always use the GetHuman Phone to call IRS. We wait on hold and get a rep on the line for you faster and for free! If time is of the essence or you are lost, we partner with a California-based expert help company with tech support available 24/7.