Is the employer a startup company?
Maybe they only recently applied for their FEIN and it isn't in the IRS e-file computers yet.
Ask the employer to confirm those FEIN numbers(s) with what's on your W-2...could have been mistyped on their end...unless they've been reported the same way for years now.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
