Enable two-step verification to require a code (in addition to your password) any time a login attempt is made from a new device or browser. We'll send you a text or call you with a new code that needs to be entered at sign in. The phone number we contact you with may be different each time.
Enable or disable two-step verification
1. Sign in and go to your Account security page.
2. Beside "Two-step verification," click the Toggle button to turn it on 
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3. Enter your mobile number.
4. Click Send SMS or Call me to get a verification code.
5. Enter the verification code, then click Verify.
6. If you access AOL Mail in third-party apps, click Create app passwords or click Skip for now.
Want to turn it off? Just access your security page again and change the toggle to the off position 
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Create an app password
If you use third-party apps to access your AOL Mail, you'll need to use an app password with two-step verification. These apps require application passwords because they can't send verification codes. This prevents unauthorized parties from signing into your account on a third-party app.
Two-step verification is enabled but you're not asked to verify your identity
You'll be sent a verification code the first time you sign in from a device, browser, or location you haven't used before. After successful verification, you may not be prompted to enter a verification code again when you sign in using the same device, browser, or location. Go to your Recent activity page to deauthorize a device, browser, or location.
You don't have your phone with you
If you don't have your mobile device with you, you'll need to reset your password to access your account.