If you received an IRS tax bill or notice in the mail, call the phone number listed on your notice. You can also call the tax help line for individuals (1-800-829-1040) or businesses (1-800-829-4933) to speak with an IRS representative.What is the 800 phone number for the IRS?
IRS Phone Number. 1800 Toll Free contact : 1 800-829-1040. For Business –> 800-829-4933. Persons who suffers from listening to hearing impairments: 800-829-4059.