Colorado Department of Revenue Phone Number

303-238-7378
Customer Service
Average hold time
12 mins waitavoid wait
Call center hours
Mon-Fri 9am-4:30pm EST
When calling Colorado Department of Revenue
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Compared to other Colorado Department of Revenue support
Voted #1 phone number for Colorado Department of Revenue by 4220 customers

Save time before you call Colorado Department of Revenue

GetHuman collects the best phone numbers and shortcuts for companies, but we also have how-to guides for common customer issues. Or you can hire us to call Colorado Department of Revenue for you and help with your issue. Start by telling us why you're calling.
Here are some reasons that other Colorado Department of Revenue customers called 303-238-7378 recently:
"I would like to file and collect State returns from past years"GetHuman-jimagine2d ago"Received notice of deficiency but closed business"GetHuman-petmar18d ago"I used TurboTax to prepare and file my Colorado Return electronically, a..."GetHuman-hayes_re24d ago
And these are some very popular reasons why other people call this Colorado Department of Revenue number
How do I file a protest?

Ready to call Colorado Department of Revenue?

If you've looked at the wait time and tried our expert customer tools above and decided that getting on the phone with Colorado Department of Revenue is your best option, we have more info about contacting them that might help you.
We have a few other tricks to try if you're calling Colorado Department of Revenue, and if you are already viewing this on a phone or call-capable device, then you can click or tap below to just start a call.
Have Colorado Department of Revenue call you insteadCall Colorado Department of Revenue using our web-phoneDial 303-238-7378 now

Did you already call Colorado Department of Revenue?

If you're already on the phone with Colorado Department of Revenue, you may want to look over any tips we have for getting better results. If you already talked to a Colorado Department of Revenue rep (or several), let us know if you were able to resolve your issue and how your experience was- it's how we customers push companies like Colorado Department of Revenue to give better customer support.
My problem isn't fixed after calling themReview your phone call to Colorado Department of Revenue support
Here are some things that other customers said after calling 303-238-7378 and talking to a Colorado Department of Revenue customer service agent:
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More Colorado Department of Revenue 800 numbers and support

This is the best of 2 ways to contact Colorado Department of Revenue according to 56278 GetHuman users. Below you can compare the ways to contact Colorado Department of Revenue customer service.
303-866-3091
Customer Service