Call 811 Call 811

Colorado

Colorado

Explore damage prevention information, local contacts and rules for safe digging in Colorado.


One Call Centers

811 or
1-800-922-1987

Address:

16361 Table Mountain Pkwy.
Golden CO 80403

Hours:

M - F 0700 - 1700, Emergency Coverage 24/7

Advance Notice:

2 days not to include the day of notice
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.

Marks Valid:

30 days
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.