09974 IS A VALID ZIP CODE! It was initiated by the US Postal Service in 2019 for the US Embassy in Bangkok. I spoke with a TurboTax support person weeks ago who checked the error code on my return and then verified that she was able to see that it is a valid zip code on the US Postal Service website. She called in a technical expert and they said that TurboTax would be updated to fix this error. But there has not been a fix so tax returns with this zip code show errors throughout the return.
