2FA methods supported by US Internal Revenue Service
Adding two-factor authentication is one of the most effective ways to protect your US Internal Revenue Service account. With TOTP support, you can generate US Internal Revenue Service verification codes directly in the Authenticator App.
SMS
US Internal Revenue Service can send a one-time verification code to your phone via text message.
Phone call
US Internal Revenue Service can call your phone and read out a verification code.
Security key (U2F)
US Internal Revenue Service works with hardware security keys using the U2F/FIDO standard.
Proprietary app
US Internal Revenue Service offers its own companion app for approving sign-ins.
US Internal Revenue Service 2FA — Frequently asked questions
Does US Internal Revenue Service support an authenticator app?
Yes. US Internal Revenue Service 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 US Internal Revenue Service support?
US Internal Revenue Service currently supports: SMS, Phone call, Security key (U2F), Proprietary app.
Is it free to generate US Internal Revenue Service codes with the Authenticator App?
Yes. The Authenticator App is free to download, and generating US Internal Revenue Service verification codes does not require an account or sign-up.
More Government services that support 2FA
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