811 In Your State


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

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Washington Call Before You Dig
811 or 1-800-424-5555

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WA 811
P.O. Box 4796
South Colby, WA. 98384

24 / 7

Advanced Notice: 2 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: Valid for the life of the ticket (45 days)