I'd love to send you a handwritten letter, what is your corporate mailing address? September 17, 2020 04:08 Updated We'd love to hear from you! Please mail your letters to: Orgain | Attn: Consumer Affairs P.O. Box 4918 Irvine, CA 92616 Related articles How do I contact support or customer service over the phone? Is Orgain available internationally? Does Orgain use tree nuts? I am interested in joining the Orgain team, who do I contact? Are your products available at Costco or Costco.com?