Amazon AWS Closing Your Account
To Change Your E-mail Address
- Go to Your Account.
- Click Change Name, E-mail Address, or Password in the Settings section.
- Sign in using the e-mail address and password currently associated with your account.
- Click Edit next to the e-mail address.
- Provide your new e-mail address and click the Save Changes button.
To Remove a Credit Card
- Go to Your Account.
- Click Manage Payment Options in the Payment section.
- Sign in using the e-mail address and password associated with your account.
- Click the Delete button next to the card you want to remove.
- Click the Confirm button.
Link of Reference : //www.amazon.com/gp/help/customer/display.html?nodeId=565164