Where is IRS Corporate office Headquarters

IRS Headquarters Address and Contact

  • Address: 1111 Constitution Ave NW, Washington, DC 20224, USA
  • Phone Number: +1 202-622-5000
  • Fax Number: 800-829-4477
  • Email:
  • Number of Employees: 76832
  • Established: July 1, 1862
  • Founder: President Abraham Lincoln and Congress
  • Key People: David Kautter

IRS Headquarters Location & Directions

IRS Headquarters Executive Team



David J. Kautter


Lia Colbert

Chief of Staff


IRS Chief Counsel

About IRS, History and Headquarters Information

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IRS Headquarters Photos

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