VMP Subscribers can change the address for future shipments by accessing the "Profile Settings" tab of their Membership page. Keep in mind that this will not affect any outstanding orders (including pre-ordered titles). Send us an email at email@example.com if you need to modify the shipping address for any oustanding orders. Unfortunately, we're unable to modify the shipping address for packages once they have shipped.
For domestic customers, keep in mind that USPS mail forwarding will not work with VMP shipments, as they're classified as Media Mail.