IRS Hours

IRS Business Hours

The IRS is a government agency responsible for tax collection and revenue. If you need assistance, you can contact the customer service department [+] by phone, email, traditional mail or through social media. You can also reach out to your local office during regular business hours.

IRS Regular Business Hours

  • Weekdays: You can contact the customer service department Monday through Friday 8am to 5pm, EST. You can also reach out to your local office during regular business hours.
  • Weekends: The offices are closed on the weekends.

IRS Holiday Hours

You will notice the company adjust hours or closes on the holidays. You will need to contact the customer service department for specific holiday hours. The observed holidays include:

  • New Year’s Day
  • Martin Luther King Day
  • Presidents’ Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Columbus Day
  • Veterans’ Day
  • Thanksgiving
  • Christmas Eve
  • Christmas Day
  • New Year’s Eve

IRS Special Event Hours

The offices do not mention special events.

Contacting IRS to- Verify Business Hours

  • Phone Number: You can contact the customer service department by calling 1-800-829-8374. The customer service department is open 24 hours a day, 7 days a week. You can also contact your local office during regular business hours.
  • Email Contact: When you send the customer service department an email, you will need to use the customer feedback form [+]. The customer service department will reply to your concerns within 48 hours.
  • Mail: You can send correspondence to the corporate headquarters here: Internal Revenue Service 2970 Market Street Philadelphia, PA 19104. You can also use the office locator [+] and contact the customer service department at your local office during regular business hours.
  • Social Media: Customers have the opportunity to reach out to the customer service department through social media. You can post general concerns, comments and ask questions on Twitter [+], YouTube [+], Tumblr [+]. The customer service department will not address account specific information on social media. The customer service department will reply to your concerns within 24 hours.

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