State tax filing

This TurboTax article explains everything about: How to find out where to find the IRS Individual taxpayer ID number.

It summarizes your options, including finding out what your ITIN is if you had one issued in the past:

• Contacting the IRS: click the link and scroll to the bottom of the page for the phone numbers
• Applying for an ITIN by addingForm W-7 to your return
• Going to a Taxpayer Assistance Center Office near you