Well, generally if you work for the company they will mail you a
W-2 form to the address you supplied to them. If you moved and did
not inform them of the new address and did not have your mail
forwarded to your new address, you probably will not get this, but
it is only their responsibility to put it in the mail. If you
didn't get it for whatever reason, I would suggest that you contact
them for a duplicate of the form and they will mail it to your
correct address after you prove your identity.