If you are referring to the 6 digit Identity Protection PIN that the IRS sends to you each year, you will have to go to this IRS website to retrieve the IP PIN - https://www.irs.gov/identity-theft-fraud-scams/retrieve-your-ip-pin
If you are referring to the verification code sent to you by TurboTax, see this TurboTax support FAQ for information if you are having trouble getting the code - https://ttlc.intuit.com/turbotax-support/en-us/help-article/security-risk/trouble-filing-verificatio...
If you started your 2023 tax return with TurboTax, it will be available for online filing until Oct 31 at 9PM PST
