check the account name and recovery codes on the 2fa setup page
The authenticator setup page shows an account name and recovery codes; a name that does not match means the page is somewhere else.
The account name on the two-factor setup page should match your sign-up email, and recovery codes appear only on that page.

Key points
Read the account name
The setup page usually says enable for xxx; compare that name letter by letter with the email or phone you registered with.
Check where codes appear
Recovery codes belong on the same setup page; if you are sent to another domain to get them, stop.
Compare the clock
If the server time shown next to the authenticator entry differs from your phone by minutes, the six-digit code will keep failing.
Common questions
Can I come back later to find the recovery codes?
Most platforms show them once on the setup page and never again, so copy them there.
What if the account name is a nickname, not my email?
Open your account settings and check whether you set that nickname; if not, log out and re-enter from the official domain.
Keep reading
Sources:account name and recovery code area at the top of the two-factor setup page · Read which account the setup page names, then compare it letter by letter with your sign-up email; copy recovery codes on that page only. · Checked on 2026-10-22
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