Use the AT&T Universal Card Login to manage your card online, pay your bill, and examine your payment history. You must log into your account in order to control your card or make an online payment. You can find essential bill payment information there, just like the billing phone number, payment postal address, and credit card customer support phone amount. To access your account, go to to the In&T Online Account Management portal. (We urge you to register as a way to create one if you do not curently have one. Follow the instructions on the right side of the web site to register.): Select the product categetry you wish to use, enter your user information, and click on the Log In button then.
