Underground Service Alert of
Southern California


Servicing the following counties:

Imperial
Inyo
Los Angeles
Orange
Riverside
San Bernardino
San Diego
Santa Barbara
Ventura






Underground Service Alert of
Northern California


Servicing the following counties:

Alameda, Alpine, Amador, Butte, Calaveras, Colusa, Contra,
Costa, Del Norte, El Dorado, Fresno, Glenn, Humboldt, Kern,
Kings, Lake, Lassen, Madera, Marin, Mariposa, Mendocino,
Merced, Modoc, Mono, Monterey, Napa, Nevada, Placer, Plumas,
Sacramento, San Benito, San Francisco, San Joaquin,
San Luis Obispo, San Mateo, Santa Clara, Santa Cruz, Shasta,
Sierra, Siskiyou, Solano, Sonoma, Stanislaus, Sutter, Tehama,
Trinity, Tulare, Tuolumne, Yolo, Yuba


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