How do I change my shipping/ billing address? Ann September 26, 2021 16:31 Updated You can change your shipping/ billing address by logging into your portal and visiting the Subscription tab. Related articles Can I make a change to my order after it has been confirmed? How can I view my order history? How do I activate my NuCalm in the app or on the website? How do I upgrade to the discs? Can I get a refund?