Evangelical Free Church of Oroville Welcome to EvFreeOroville.com 3785 Olive Highway,  Oroville, CA. 95966 Phone: (530) 533-6866   Fax: (530) 533-4155 E-Mail: office@evfreeoroville.com Directions OCS is a ministry of the Evangelical Free Church of Oroville. Oroville Christian School Eagles James 5:16 ESV (v-16)  Therefore, confess your sins to one another and pray for one another, that you may be healed. The prayer of a righteous person has great power as it is working. SUNDAY’S Office hrs Monday -Friday 8:00 AM - 3:00 PM Call for Holiday Hours