Contact Us – Hawaii 811

Have a question or comment regarding the Hawaii One Call Center? Please follow the links below to reach the appropriate parties.

Call Center Phone Numbers

To call for a locate request dial 811 or 866-423-7287.

For administrative questions please call (877) 668-4001.
Available from 8am to 5pm PST, Monday through Friday.

Business Hours

The Hawaii One Call Center is available 24 hours a day, seven days a week, every day of the year. Online service ticket requests are also available around the clock at Hawaii811’s website.

Hawaii One Call Center (HOCC) Phone Numbers

To call for a locate request dial 811 or (866) 423-7287.

For administrative questions please call (877) 668-4001.
Available from 8 am to 5 pm PST, Monday through Friday.

The Hawaii One Call Center is available 24 hours a day, seven days a week, every day of the year. Online service ticket requests are also available around the clock. Click here to submit a locate request.

Observed Holidays

New Year’s Day

Dr. Martin Luther King, Jr., Day

Presidents’ Day

Prince Jonah Kuhio Kalanianaole Day

Good Friday

Memorial Day

King Kamehameha I Day

Independence Day

Statehood Day

Labor Day

General Election Day

Veterans’ Day

Thanksgiving Day

Christmas Day

Above are the legal holidays defined in the Hawaii Revised Statutes to be observed by the State. Holidays that fall on Saturdays are observed on the proceeding Friday; holidays that fall on Sundays are observed on the following Monday. Election Days are established by the State Constitution.