2019 Labor Day Closure

Colorado 811 will be closed on Monday, September 2  for Labor Day.

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 29 will be due on Tuesday, September 3 at 11:59pm. Tickets processed Friday August 30 will be due on Wednesday September 4 at 11:59pm.

Call volume is forecasted to be high on Tuesday, September 3, 2019. To avoid lengthy hold times, we recommend using iDig811 to process single address locate requests online.