Within Teamwork Spaces, you can update your billing address via your subscription settings.
Click your profile image in the top right of your site and choose Subscription from the dropdown menu.
Scroll to the Billing Info subsection of your subscription settings and click the Change billing info button.
You can use the Billing information section to update your associated address information.
Click Update to save the changes to your billing information.
For more information, see: Updating Your Payment Details