You should receive a verification code in five minutes or less.
You can request that the six digit code be sent to you via text message also. Do this by going into your Turbo Tax Account.
1. Go to My Account.
2. Go to Security Tab.
3. Choose the option to get a text message under the Two Step Verification.
For Additional Information see the TurboTax FAQ below:
What if I'm having trouble with my filing verification code?