Call 811 Call 811



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

One Call Centers

811 or


4005 Port Chicago Hwy
Suite 100
Concord CA 94520-1232


M - F 0600 - 1900

Advance Notice:

2 working days, but not more than 14 calendar days
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:

28 calendar days or when marks are no longer resaonably visible
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.