The Montana Department of Revenue call center is offering extended hours again this tax season to assist taxpayers before the April 17, 2018 deadline for filing individual income tax returns.
The call center will have Customer Service Representatives available 7:30 AM to 7:00 PM on Monday, April 16, and Tuesday, April 17, 2018.
Our normal business hours are Monday through Thursday from 8:00 a.m. to 5:00 p.m. and Friday from 9:00 a.m. to 5:00 p.m.
Taxpayers who need assistance can call the department’s call center at (406) 444-6900.
Taxpayers can also send an email to DORCustomerAssistance@mt.gov for tax assistance. We reply to emails within 24 business hours.