At Universalcard.com, you can pay your AT&T Universal card bill. Enter your username and password in the respective boxes placed to the right of the homepage’s Sign On to Your Account section. Click Register. Follow the instructions in the payment section to pay the bill.
If you are a first-time user, click the Register link to register for an account. Choose AT&T Universal Business Rewards Card from the drop-down option located beneath the heading Provide Account Information. Enter your credit card number, CVV code, and password. You have the option of providing an email address, creating a username, and indicating where you heard about the website. Continue by clicking Continue. Create an account by completing all mandatory fields. After account activation, log in to make online payments.