- Go to att.com/myprepaid and sign in.
- Select Make a Payment, then Pay and Enroll in AutoPay.
- Choose your payment method or add a new payment method.
- Select Continue.
- Read and agree to the AutoPay terms and follow the prompts.
Learn how to add or remove AutoPay from your AT&T Prepaid account, or how to cancel your Prepaid account completely.