811 In Your State

Hawaii

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

Logo of Hawaii One Call Center

Hawaii One Call Center
811 or 866-423-7287

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Details

Address:
305 N.E. 102nd Avenue
Suite 300
Portland, OR 97220

Hours
24 hours / 7 days

Advanced Notice: 5 Working but no more than 28 Calendar days prior
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 from the date of issuance
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.