811 In Your State

Washington

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

Logo of Washington Utility Notification Center

Washington Utility Notification Center
811 or 800-424-5555

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Details

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

Hours
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)