Colorado 811 will be closed on Monday, September 4th for Labor Day. We are still 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 Thursday, August 31st will be due on Tuesday, September 5th at 11:59pm. Tickets processed Friday, September 1st will be due on Wednesday, September 6th at 11:59pm.

Call volume is forecasted to be high on Tuesday, September 5th. To avoid lengthy hold times, we recommend using iDig811 to process single address locate requests online.