No. Do not add a 0 in to make up for the 9th number. You will need to contact your employer to have your W-2 corrected. The
employer's EIN should be in this format XX-XXXXXXX. Once you have received your corrected W-2 follow the instructions to to enter the corrected information in your tax return:
https://ttlc.intuit.com/replies/4192512
Hope this was helpful!
