What is the IRS E-File help desk phone number?

• Tax professionals can call the IRS regarding any queries related to their e-filing process at 1-866-255-0654.
• Callers situated outside the 50 U.S. States and U.S. Territories can use the international phone number, 1-512-416-7750.
• When you're an individual taxpayer, click here to get further assistance.

E-Help Desk Working Hours:

Monday to Thursday: 6:30 a.m. - 6:00 p.m. (Central Time)