You can update the shipping address for a customer.
HOW TO UPDATE SHIPPING ADDRESS FOR CUSTOMER:
From Ongoing, click on Subscriptions
Click on the subscription you want to manage
In Delivery Details, click Update Address
Update the shipping address and click Save
NOTE: When a customer updates their default address or shipping address on Shopify, it is not automatically updated on subscription contracts. Why? A customer could have purchased a subscription for a friend or family, and may not want to automatically update the shipping address on all subscriptions. This feature allows for full control over shipping addresses on all individual subscription orders.
