Liquor Taxes | Help

Help Yourself Online
Use Revenue 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
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