# Two-Factor Authentication (2FA)

- [How to Check Which Phone Number Receives Your Facebook Two-Factor Authentication Code](https://learn.doubletick.io/two-factor-authentication-2fa/how-to-check-which-phone-number-receives-your-facebook-two-factor-authentication-code.md)
- [How to Disable 2-Factor Authentication (2FA) on Facebook](https://learn.doubletick.io/two-factor-authentication-2fa/how-to-disable-2-factor-authentication-2fa-on-facebook.md)
- [How to Change Two-Factor Authentication from WhatsApp/SMS to Google Authenticator on Facebook](https://learn.doubletick.io/two-factor-authentication-2fa/how-to-change-two-factor-authentication-from-whatsapp-sms-to-google-authenticator-on-facebook.md)
- [How to Disable Two-Step Verification for Your WhatsApp API Number](https://learn.doubletick.io/two-factor-authentication-2fa/how-to-disable-two-step-verification-for-your-whatsapp-api-number.md)


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