IRS Taxpayer Assistance Centers (TACs) are your source for free personal tax help when you believe your tax issue cannot be handled online (https://www.irs.gov/help/telephone-assistance) or by phone (844-545-5640). Assistance is provided in over 150 languages. Please call ahead to schedule an appointment for assistance and to confirm availabilty. Taxpayers who simply want to drop off a payment or a tax return or even pick up a tax form can do that without an appointment.