2FA methods supported by Facebook
Adding two-factor authentication is one of the most effective ways to protect your Facebook account. With TOTP support, you can generate Facebook verification codes directly in the Authenticator App.
SMS
Facebook can send a one-time verification code to your phone via text message.
Authenticator app (TOTP)
Facebook lets you use time-based one-time passwords, so you can generate verification codes in an authenticator app on your device — no network or SMS needed.
Security key (U2F)
Facebook works with hardware security keys using the U2F/FIDO standard.
Facebook 2FA — Frequently asked questions
Does Facebook support an authenticator app?
Yes. Facebook supports time-based one-time passwords (TOTP), so you can add it to the Authenticator App and generate verification codes right on your device.
Which two-factor authentication methods does Facebook support?
Facebook currently supports: SMS, Authenticator app (TOTP), Security key (U2F).
Is it free to generate Facebook codes with the Authenticator App?
Yes. The Authenticator App is free to download, and generating Facebook verification codes does not require an account or sign-up.
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