If you are having issues with the verification code, It can take up to 15 minutes for the code to be emailed to you, and check your junk email folders too.
(Don’t try to get a new code too soon, it will invalidate the old code and you’ll end up waiting longer.)
Also keep in mind, you can’t get a code via text if you don’t have a phone number listed in your TurboTax account.
If you're still having issues, more information can be found in this FAQ:
https://ttlc.intuit.com/replies/4576376