IR-2017-134, Aug. 28, 2017 - The Internal Revenue Service today warned people to avoid a new phishing scheme that impersonates the IRS and the FBI as part of a ransomware scam to take computer data hostage. read more
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. read more