How do I get my taxpayer ID number??

[DoninGA]

Your taxpayer ID number is your Social Security number or the ITIN that was issued to you by the IRS.

[xmasbaby0]

Your Tax ID is your Social Security number.   Or if you are self-employed and do not want to give your SSN to clients, you can get a Tax ID (EIN) from the IRS to use.

https://www.irs.gov/businesses/small-businesses-self-employed/how-to-apply-for-an-ein