Know what's below. Always contact or call 811 before you dig! Keeping California SAFE! DigAlert is a communication link between the facility owners and those requesting locate requests for excavation purposes and does not perform any type of locating services. Our goal is to work with all industry stakeholders to protect underground facilities from damages relating to excavation. We provide underground utility location services, wire and cable location, and pipe locators. Don't make a judgement call, click or make a phone call in Los Angeles, Orange County, San Diego, Santa Barbara and everywhere in Southern California.