811 In Your State

Colorado

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

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Colorado 811
811 or 1-800-922-1987

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Details

Address:
16361 Table Mountain Pkwy.
Golden, CO 80403

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

Advanced 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.