First talk to the employer ... ask them when/if they ever filed the W-2 & W-3 with the SSA. Was your SS# on the W-2 form correct ? The IRS should have sent them a notification after you sent them the W-2 form ... did they respond to it ?
Log into your account at SSA.gov to see what they have on file.
https://www.ssa.gov/myaccount/
