Hello dear.
A usual code is going to be 4 digits. You’ll find this to be true for most alarm codes, security codes, electronic device codes, and for many other things.
Now remember, it does depend on what sort of code you’re referring to. A zip code has 5 digits. And then for some things a code can be up to 8 digits. It really just depends on which code it is.
I you are satisfied with this answers and please don’t hesitate to contact me with more questions or concerns.
Have a terrific night!
~Brooke
