NCOA North Recruits & Trains High School Sports Officials in the Following 

Areas of Service.

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Overall Areas

- From Yuba City/Marysville/Grass Valley to Galt

- From Napa/Vallejo/Benicia to Placerville

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Counties in NCOA North Service Areas

Sacramento

Sutter

Yuba

Nevada

El Dorado

Yolo

Solano

Napa

Placer