Contact Us General Mail Delivery: PO BOX 748 Tulelake CA 96134 Tulelake Clinic 49946 California Hwy 139 Tulelake CA 96134 Alturas Clinic 112 E. 12th Street Street Alturas, CA 96101 Phone: 530-354-7466 Mobile: 530-667-2136 Email: [email protected]