Colorado 811 will be closed on Monday, May 29th for Memorial 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, May 25th will be due on Tuesday, May 30th at 11:59pm. Tickets processed Friday, May 26th will be due on Wednesday, May 31st at 11:59pm.

Call volume is forecasted to be high on Tuesday, May 30th. To avoid lengthy hold times, we recommend using iDig811 to process single address locate requests online.