General Meanings:

Dream symbol of a code directly appears as a hidden message symbol, then you probably had trouble to decipher it in the dream, or understand it immediately.

Confusion The dream denotes that you may have confusion with your inner world, personal or in some aspects of your life. You tried to read a coded message but, then your own thoughts are probably so confused that you can no longer understand this message, then you have to ask others for more information.

Psychological Meanings:

Warning The code in our dream is a coded message of the soul that you do not understand. However, it can also represent a risk of fraud. But when you forgot the code then this means that you have to be attentive with your future decisions.

To use code to lock doors marks that you have an ability to use important information. The code may be a sign how to behave in your life.