Contact Us

Normal hours of operation are Monday through Friday from 6AM to 7PM*

We are are on holiday.

* Excluding holidays (list located here)


To call in a new, renew or add/change any DigAlert® ticket, please call 811 or 800-422-4133.

For single address new tickets, use DigAlert Express

For all other inquiries, please visit our F.A.Q.s page, before calling 811 or 800-422-4133

Mailing Address:
Underground Service Alert of Southern California
P.O. Box 77070
Corona, Ca. 92877-0102