It's easy to change the shipping address for your Practice Pack shipments. Visit your Account Dashboard at www.hookedonphonics.com/dashboard. You will find the option to update your address under Manage Subscriptions > Practice Pack Subscription > Shipping Address (Edit):
Tap Edit under Shipping Address to make changes. Tap Save.
To update your billing address, visit your Account Dashboard at www.hookedonphonics.com/dashboard. Under the menu in the top right, tap Profile, and you will see the option to edit your billing details.