Within Teamwork Spaces, you can update your billing address via your subscription settings.
Click your profile image in the top right corner of your site and choose Subscription.
From the Billing Info sub-section, you can view and update your billing address details.
Select Change billing info to proceed to your payment details overview You can use the Billing address section to update your associated address information.
Click Update to update your billing information.
For more information, see: Updating Your Payment Details