There are two options you can use to update an existing address.
OPTION 1
Log in to your customer portal.
Click the Address & payment details tab and select manage addresses.
Click Editon the address to update.
Select an option for which orders this address will be used for and fill out the updated address information.
Click Save changes to confirm.
OPTION 2
Log into your customer portal.
In the View your next order tab, click Edit address. Note that updating your address will update the address for all orders, not only the next order.
Select an option for which orders this address will be used for and fill out the updated address information.
Click Save changes to confirm.