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Call Us

Monday through Friday, 8:00 a.m. to 5:00 p.m. (Mountain Time)

Customer Service Center (406) 444-6900
Toll-free to Customer Service Center (866) 859-2254
Telephone Device for the Deaf - TDD (406) 444-2830

Write Us

  • PO Box 6308, Helena, MT 59604: Individual income tax returns with payments
  • PO Box 6577, Helena, MT 59604: Individual income tax return with refund request or zero balance
  • PO Box 5805, Helena, MT 59604: General mail and correspondence, combined oil and gas tax, unclaimed property 
  • PO Box 8021, Helena, MT 59604: Corporation tax returns, partnership returns and all other pass-through entity returns
  • PO Box 5835, Helena, MT 59604: Withholding and miscellaneous taxes
  • PO Box 6309, Helena, MT 59604: Coupon payments
  • PO Box 6169, Helena, MT 59604: County collection reports and state fees
  • PO Box 8003, Helena, MT 59604: One-Stop Licensing
  • PO Box 1712, Helena, MT 59604: Liquor Distribution, Human Resources, tobacco tax
  • PO Box 8018, Helena, MT 59604: Property Assessment Division
  • PO Box 6308, Helena, MT 59604: Garnishments and wage levies

Visit Us

Sam W. Mitchell Bldg.
125 N. Roberts, 3rd Floor
Helena, Montana
Just east of the Capitol building

Forms are at the third floor reception desk

Fax Us

Accounting (406) 444-6798
Accounts Receivable & Collections (406) 444-0750
Cigarette Tax Decal Orders (406) 444-7997
Centralized Property Assessment (406) 444-2900
Director's Office (406) 444-3696
Human Resources (406) 444-6998
Income Taxes (406) 444-6642
Liquor Licensing (406) 444-0722

Miscellaneous Taxes:
Cigarette Tax, Consumer Counsel Fee; Hospital Facility Utilization Fee, Intermediate Care Facility Utilization Fee; Lodging Facility Sales and Use Tax; Nursing Facility Utilization Fee; Other Tobacco Products Tax; Public Contractor's Gross Receipts Tax; Public Service Commission Regulation Fee; Rental Vehicle Sales Tax; Retail Telecommunications Excise Tax; Statewide Emergency Telephone 911 System Fee; TDD Telecommunications Service Fee; Unclaimed Property (Compliance and Reporting); Universal System Benefit Program; and Wholesale Energy Transaction Tax.

 (406) 444-2900
Natural Resource and Corporation Taxes (406) 444-2900
One-Stop Licensing (406) 444-0722
Processing and Retention Operations (406) 444-1505
Property Assessment (406) 841-2550
Unclaimed Property (Claims Processing Only)
Unclaimed Property (Compliance and Reporting)		 (406) 444-0722
(406) 444-7997
Withholding Taxes (406) 444-0750

Unclaimed Property (Claims Processing only), Liquor Licensing, and One-Stop Licensing are located at 2517 Airport Road in Helena, Montana.

Click here for a complete contact list of our statewide offices.