At the moment, OTC is expanding its service area. For now, OTC is only providing private one-on-one tutoring to Newport Beach and Irvine customers. For all other locations, tutoring via phone is available at 949-726-0820. Out of state customers can use our toll free phone number 1-888-379-9314. To better assist us in our expansion, click here if you would like us include Laguna Beach, Anaheim, Fullerton, Brea,Huntington Beach, and Placentia in our expansion.