oct 19, 2023 · access your at&t prepaid ® account through myat&t, your online center for account management. Using any device, you can: you will need to get an at&t prepaid sim card or esim activation kit and open a new at&t prepaid account. Save more with at&t prepaid. need your at&t bill explained? Learn how to understand recent changes to your bill amount. Get help with paying bills, online payments, and autopay. view and pay your at&t bills online, manage multiple accounts, and upgrade your at&t wireless, internet, and…