811 In Your State


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

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One Call of Wyoming
811 or 800-849-2476

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514 Grand Ave.
Laramie, WY 82072

24 / 7

Advanced Notice: 2 full business 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: 14 business days
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.