Contact Contact HCGA Mailing Address: P.O. Box 1404, Eureka, CA 95502hello@hcga.coTo make an appointment,between 10 am and 6 pm,call or text: 707-599-6670General Inquiries707-599-6670 Facebook Instagram Use the form below to tell us about your business or farm, or simply to get in contact with us. We respond within 1-2 business days. Name Email Your Industry Community Member Media Government Cannabis industry Phone How can we help you? Send