Jump to navigation
Skip to main content
Mail a Form
Liquor Taxes | Help
Help Yourself Online
to send a secure message. See "
Secure Messaging in Your Revenue Online Account
Call Us with Your Tax Matters
Customer Service Representatives are available Monday through Friday, 8 a.m. to 4:30 p.m.
Excise Tax Information: (303) 205-8211, extension 6848
Other Contact Phone Numbers
EFT/Electronic Payment Help
Report Tax Evasion, Fraud or Scams
Hearing or Speech Impaired Relay Colorado
To use this service, dial the appropriate number above. Give the Relay Colorado agent the number that you would like to call. The Relay Colorado agent will stay on the line to relay the information/conversation to you.
TTY Telephone Users: 1-800-659-2656
Voice Telephone Users: 1-800-659-3656
Email or Mail Us Your Tax Matters
If you have questions about your account, filing requirements, or any other issue, contact the Excise Tax Accounting Section at
or by mail at:
Colorado Department of Revenue
Excise Tax Accounting #237
P.O. Box 17087
Denver, CO 80217-0087