What are the hours for the IRS tax question hotline?

The hours for the IRS telephone assistance service vary, depending on the caller and calling purpose. For individuals and businesses, including those with hearing disabilities, the line is available from 7 a.m. to 7 p.m. local time Monday to Friday as of June 2015, according to IRS.gov.

Assistance over the phone is provided to exempt organizations, retirement plan administrators and government entities between 8 a.m. and 5 p.m., according to IRS.gov. Regular 7 a.m. to 7 p.m. hours apply for individuals calling the dedicated line for reporting possible identity thefts. International service is available from 6:00 a.m. to 11:00 p.m. Eastern Time.