Customer Service Phone Number IRS

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IRS Customer Service Phone Numbers can be used by US citizens and other concerned members to convey general concerns and grievances

  • IRS Customer Service Phone Number for Individuals: 800-829-1040
  • IRS Customer Service Phone Number for Businesses: 800-829-4933
  • IRS TTY/TDD Support: 800-829-4059
  • IRS Customer Service Phone Number for Exempt Organizations, Retirement Plan Administrators, and Government: 877-829-5500
  • IRS Customer Service Phone Number for Estate and Gift: 866-699-4083
  • IRS Customer Service Phone Number for Excise Tax Function: 866-699-4096
  • International Taxpayer Service Call Center: 267-941-1000
  • International Taxpayer Advocate: (787) 522-8601 - English | (787) 522-8600 - Spanish

Use Taxpayer Assistance Locator to find an office in your vicinity


IRS Telephone Assistance Contacts for Business Customers


  • Business and Specialty Tax Line and EIN Assignment: (800-829-4933)
  • Electronic Products and Services Support e-Help Desk: (866-255-0654)
  • Practitioner Priority Service (PPS): (866-860-4259)
  • Tax Exempt and Government Entities (TEGE): (877-829-5500)