811 In Your State


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

Logo of Diggers Hotline, Inc.

Diggers Hotline, Inc.
811 or 800-242-8511

Visit Website


14100 West National Avenue
New Berlin, WI 53151

24 / 7

Advanced Notice: 3 working 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: Length of project if maintained
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.