Need to call the Indiana Department of Revenue (DOR) to figure out a tax issue? Try Thursdays.

While Department Of Revenue customer service specialists are here to help any weekday during this busy time of year, the day with the lowest call volume is Thursday, followed by Wednesday.

Need to call sooner? Department Of Revenue suggests calling early in the day. Customers who call between 8 a.m. to 10 a.m., Monday through Friday, often experience lower wait times.

Customers with questions about individual income tax, may call Department Of Revenue Customer Service at 317-232-2240, Monday through Friday 8 a.m. – 4:30 p.m., EST.

Customers also have additional options to contact DOR including:

  • Visit a DOR office – get assistance from customer service specialists in one of DOR’s 12 district office locations throughout the state during the hours of 8 a.m. to 4:30 p.m., local time.
  • Email DOR – send an email. All questions are addressed within four business days. The form to send an email is available at dor.in.gov/3392.htm.
  • Follow DOR on social media– search @INRevenue on all social media platforms to find the latest DOR news, updates, and helpful customer tips and get questions answered on Facebook, Twitter, Instagram or LinkedIn.