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Authenticator ℠ App for AT&T

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How to set up AT&T 2FA, connect Authenticator ℠ App, and use verification codes when signing in.

Protect your AT&T account with two-factor authentication (2FA) using Authenticator ℠ App. By enabling 2FA, you'll add an extra layer of security that helps prevent unauthorized access and keeps your account safer.

Two-factor authentication methods supported by AT&T

  • SMS

AT&T supports time-based one-time passwords (TOTP), so you can generate AT&T verification codes directly in Authenticator ℠ App instead of waiting for an SMS.

AT&T 2FA details

Category
Utilities

Sign In with Authenticator ℠ App & Enable 2FA for AT&T

Simply download and open the Authenticator ℠ App, find your AT&T account, and enter the current verification code when prompted. After enabling 2FA, you'll need both your password and a temporary authentication code when signing in. Click on the button below Download on the App Store or scan the QR Code.

Authenticator ℠ App

Get the Authenticator ℠ App

Scan the QR codes from AT&T and generate secure one-time codes.

Download on the App Store

Related services

More Utilities services that support 2FA

AT&T 2FA — Frequently asked questions

Does AT&T support an authenticator app?
Yes. AT&T supports time-based one-time passwords (TOTP), so you can add your AT&T account to Authenticator ℠ App and generate verification codes on your device — no SMS required.
What two-factor authentication methods does AT&T support?
AT&T supports SMS for two-factor authentication.
Is AT&T 2FA free with Authenticator ℠ App?
Yes. Authenticator ℠ App is free to download and use for generating AT&T verification codes, with no sign-up required.

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