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Get your taxes done using TurboTax
Error code 606 means the code you are entering is invalid. It can be because one digit (or more) is incorrected or you are trying to enter a Code for TurboTax Online in a Desktop software (or vice versa). The codes for TurboTax Online will not work with TurboTax Desktop & vice-versa.
Contact TurboTax Customer support for additional support
March 9, 2025
9:57 AM