Illinois Department of Revenue Customer Service

Phone Number & Contact Info

Illinois Department of Revenue's Best Phone Number

800-732-8866
Toll-free·Calls Customer Service·Most popular Illinois Department of Revenue number
Q:

How do I talk to a live human at Illinois Department of Revenue?

A:Calling this Illinois Department of Revenue number should go right to a real human being
Q:

Does Illinois Department of Revenue offer 24 hour customer service?

A:Not at this number; hours here are Mon-Fri 8am-5pm EST. The least busy day is Wednesday, and the most busy day is Thursday.
Q:

How long will I wait on hold?

A:We don't expect that you will have to wait to talk to a person. This is a direct line. How is this calculated?

Illinois Department of Revenue Customer Phone Numbers

Collections Department

217-785-2698
Mon-Fri 8am-5pm EST · Calling this Illinois Department of Revenue number should go right to a real human being ·

How do I get through the phone menu to a live person?

GetHuman researchers routinely call this Illinois Department of Revenue phone number to document the phone system.
Here is our latest tip for weaving through the phone menu to get to a real person the fastest: Calling this Illinois Department of Revenue number should go right to a real human being
Below are some clips we've found from Illinois Department of Revenue's phone menus and tips that help give an idea of what you will encounter when you call. We've highlighted why they are important as well:

Heard when the phone system first answers

"Welcome to the Illinois Please select one of the following options. For individual income tax, say or press one. For withholding income to check a refund status, say or press one. To obtain your PIN, say or press two. To confirm estimated extension payment"
Excerpt from a call with Illinois Department of Revenue
Wednesday, February 21, 2024 11:44 PM

The first phone menu

"Welcome to the Illinois Department of Revenue taxpayer assistance line. Please select one of the following options.
For individual income tax, say or press one.
For withholding income tax, say or press two."
Excerpt from a call with Illinois Department of Revenue
Monday, May 6, 2024 5:19 PM
In fact, much of this information on this page is superfluous because this Illinois Department of Revenue phone number is a direct line to a human being. The line is well-staffed and you should anticipate a very short wait on hold or none whatsoever, as long as you are calling during business hours.
We don't know of any phone menus you would encounter when calling either.

What are the hours and when should I call?

Illinois Department of Revenue operates the call center for this 800-732-8866 phone number Mon-Fri 8am-5pm ET. The short answer is that you should call on a Wednesday. This observation and the following section are based on analysis of a sample set of 1,067 calls made in the last 90 days using our free, web-based phone (see above).
An important note: busy times vs hold times vs best time to call
When we refer to busy or less busy times, we are talking about the volume of calls. The busiest times are when the most people are calling this Illinois Department of Revenue phone number (least busy times have fewer people calling). This high call volume does not necessarily mean that you will have a long hold time when you call. Companies like Illinois Department of Revenue staff their call centers differently based on the time of day and day of the week, so you may experience a shorter wait on hold at the busiest of times. When we refer to the best time to call, we are referring to the optimal combination of lower call volume and shorter wait times.

The least busy time to call

The least busy day to call Illinois Department of Revenue is Wednesday. The most busy day to call is Thursday. Again, this is based on a sample of 1,067 calls made with our AI-powered, web-based phone in the last 90 days.

The shortest wait on hold

We measured the shortest hold times to be on Wednesday. The longest wait in the queue on average occurs on Friday.

The best time to call Illinois Department of Revenue

In summation, the best day to call Illinois Department of Revenue is Wednesday. In this case, it's a no-brainer. Wednesday is not only the least busy day for calling this Illinois Department of Revenue number, but it is also the day with the shortest hold times.
Once again, please put this information in perspective because this phone number has no phone menu or long waits. It generally gets picked up right away if calling during their opening hours. If there is any way, it will typically be very short.

Conclusion and closing notes

This is Illinois Department of Revenue's best phone number, the real-time current wait on hold and tools for skipping right through those phone lines to get right to a Illinois Department of Revenue agent. This phone number is Illinois Department of Revenue's best phone number because 6,402 customers like you used this contact information over the last 18 months and gave us feedback. Common problems addressed by the customer care unit that answers calls to 800-732-8866 include and other customer service issues. Rather than trying to call Illinois Department of Revenue first, consider describing your issue first; from that we may be able to recommend an optimal way to contact them via phone. In total, Illinois Department of Revenue has 2 phone numbers. It's not always clear what is the best way to talk to Illinois Department of Revenue representatives, so we started compiling this information built from suggestions from the customer community. Please keep sharing your experiences so we can continue to improve this free resource.

GetHuman does not provide call center services or customer support operations for Illinois Department of Revenue. The two organizations are not related. GetHuman builds free tools and shares information to help customers of companies like Illinois Department of Revenue. For large companies that includes tools such as our GetHuman Phone, which allows you to call a company but skip the part where you wait on the line to get a live human rep. We continue to work on these tools to help customers like you (and ourselves!) navigate the messy phone menus, hold times, and confusion with customer service. As long as you keep sharing it with your friends and loved ones, we'll keep doing it.

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