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