Taxpayer Service Representatives are available (except on state holidays)
Monday through Friday, 8:00 a.m. to 4:30 p.m.
Other Contact Options
Hearing or Speach Impaired Relay Services
To use this service, dial the appropriate number below. 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.