I didn't get my Form W-2 by January 31st. What should I do? If you don't receive your Form W-2 by January 31st contact your employer. If you don't receive your Form W-2 by February 15th contact the IRS for assistance at 1-800-829-1040. Related tax information about Form W-2 IRS publications about Form W2: You may want to see Tax Topic 154, Form W2 - What To Do if Not Received to see the specific information the IRS will need in order to prepare Form 4852, Substitute for a Missing Form W2.  Also see IRS Publication 17, Your Federal Income Tax. IRS publications can also be ordered by calling 1-800-829-3676.