Mission Statement

Colorado 811 is committed to protecting Colorado's underground infrastructure, promoting excavator and public safety education, and encouraging compliance with applicable laws at the best overall value to all stakeholders.

Hours Of Operation

Dial 811 or 800-922-1987 for ALL Locate Requests
Colorado 811 is open 24X7 for emergency and damage requests.

Monday through Friday
7am to 5pm | MST

CO811 observes the following holidays and is open for emergency and damage requests only:

•New Year's Day

•Memorial Day

•Independence Day

•Labor Day

•Thanksgiving Day

•Christmas Day

Our Office is Located at:

16361 Table Mountain Pkwy.
Golden, Colorado. 80403

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©2016 CO811 ALL RIGHT RESERVED.