You can review and change your billing information online.
Click My Account then Billing. From this screen you can make a payment and review your recent transactions.
Click Payment Options in the left menu to update the payment method on file for your account.
Click Account Information in the left menu to update your Billing Address or the e-mail address where your statements are sent.
Any changes will take effect immediately. Pending transactions will be automatically retried when new billing information is saved.