Make a one-time payment anytime online using your credit/debit card or from your banking account online. To pay by credit or debit card, we accept Visa, MasterCard, American Express and Discover.
To make a payment without signing in, go to www.att.com/FastPay.
Note: If you don’t want to use the credit/debit card on file, select Use another credit or debit card and enter the new card information. Then select Done.