You can access your email from any Web browser. Go to att.net. In the upper-right side of the screen, select Sign in. Enter your email address and password. Select Sign In. To open your Inbox, select the Mail icon.How do I Find my att account?
To find your account number, you can login to your online account or view it on your billing statement. To view it online, you will login, go to Profile > Login Information, in the My linked accounts section, you will find your account number.