877-829-5500 US Internal Revenue Service Exempt Organizations, Retirement Plan Administrators, and Government Entities

This page has more information covering the phone number provided by US Internal Revenue Service for Exempt Organizations, Retirement Plan Administrators, and Government Entities. There may be other ways to contact US Internal Revenue Service and you can click here for the complete US Internal Revenue Service customer service options.

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Phone: 877-829-5500

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  • Hours of Operation:
    • Monday – Friday, 7:30 a.m. to 5:30 p.m. Central Time
  • Description:
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