the 5-digit number is your e-filing PIN. the 6-digit number issued by the IRS (not by TurboTax) is your Identity Protection PIN (IP PIN). The 5-digit number remains the same year to year. The 6-digit number changes every year, and the IRS will mail you the new 6-digit number each year.
to enter it, enter IP PIN in the search box and enter. Then click the "jump to" link when it appears.
