irs work number
IRS Toll Free Main Number: 1-800-829-1040. Here are some other useful numbers: IRS E-file Help Desk Phone number: 1-866-255-0654 - Call this number for e-filing assistance. Tax Practitioner Hotline: 1-866-860-4259 - Tax assistance for Tax Preparers. This number is only for people who prepare taxes for other tax payers. Main Tax Assistance: 1-800-829-1040 - Tax assistance for Taxpayers. this is the IRS main number give i gave you above.