2FA methods supported by NS&I
NS&I offers the following two-factor authentication options to help protect your account.
SMS
NS&I can send a one-time verification code to your phone via text message.
Phone call
NS&I can call your phone and read out a verification code.
NS&I 2FA — Frequently asked questions
Does NS&I support an authenticator app?
No. NS&I does not currently offer TOTP-based codes, but it does support SMS, Phone call.
Which two-factor authentication methods does NS&I support?
NS&I currently supports: SMS, Phone call.
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