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Internal Revenue Service fax number

(844) 545-5640

Taxpayer Assistance Center (TAC) Appointment Scheduling

Used for: Call 844-545-5640 to schedule an appointment at a local IRS Taxpayer Assistance Center (TAC). This line is used for appointment scheduling rather than fax communications.

Fax destination details

Department
Taxpayer Assistance Center (TAC) Appointment Scheduling
Purpose
Call 844-545-5640 to schedule an appointment at a local IRS Taxpayer Assistance Center (TAC). This line is used for appointment scheduling rather than fax communications.
Voice phone
844-545-5640

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