Try the steps in this help article:
You may receive a message like:
ZIP code is invalid for Electronic Filing. You must enter a valid ZIP code for your state. Enter a correct ZIP code in this format 'nnnnn' or 'nnnnn-nnnn'
TurboTax follows the IRS guidelines for acceptable ZIP codes. If the two-letter state abbreviation doesn't match the ZIP code, you'll receive this error when attempting to e-file.
If you receive this error:
Thank you but I have done all of that over and over and it keeps coming up incorrect. I think the Luxor Hotel knows their zip! How can I override this and file?
I would suggest that you delete the entire W-2G and repost it manually.
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