Colorado 811 will be closed on Friday, December 25, 2020 for Christmas. We will be open for Emergency and Damage tickets only.
The observation of federal holidays will require an additional business day in regards to the mark-by-date (due date). Tickets processed on Wednesday, December 23 will be due on Monday, December 28 at 11:59pm. Tickets processed on Thursday, December 24 will be due on Tuesday, December 29 at 11:59pm.