To update or change the shipping address on your account, you can log in to your account at Once logged in, select "My Account" then "My Account" again from the drop-down in the upper right hand corner. Then, along the left hand side under "My Profile," there is an option to Update Profile. Scroll down to find the section to Change Account Address.  

If you are not currently logged in to your account, please email with your account info, including account number and current address as well as the new address / additional address you would like it changed to.