We're committed to protecting you by sharing your sensitive information only with you or your legal representative. So, we'll ask for information to verify your identity.
You'll get faster service if you have the following information ready:
- Any letter we recently sent or that you're calling about
- Spouse's SSN (if applicable)
- Filing status on most recent return filed
- Refund amount of most recent return filed (if applicable)
- For businesses, your EIN and any permit numbers (e.g. sales or withholding account number)
- Signed, valid Power of Attorney (POA) on file if you're representing someone else
General Tax Questions
You can contact us by email or phone if this website hasn’t answered your questions.
To request copies of your own tax returns, please use 
Form STC-06 – Request for Copies of Idaho Tax Returns.
You can email us at taxrep@tax.idaho.gov and we’ll respond within three business days.
Please provide:
- Your full name and address
- Last four digits only of your Social Security number or EIN
- Your permit number (some businesses)
Add our email address to your address book to ensure you’ll receive our response.
Call
To speak to or meet with a specific Tax Commission employee, call that person directly.
For general questions, call:
(208) 334-7660 in the Boise area
(800) 972-7660 toll free
(800) 377‑3529 Idaho Relay Service (TDD) for hearing-impaired callers
For Compliance (payment plans and overdue accounts), call:
(208) 334-7633 in the Boise area
(855) 556-4230 toll free
Media contact
Visit our newsroom at tax.idaho.gov/news.