Am I doing something wrorng?

[Barb]

So I was just entering GIveaway here on Goodreads and filled in everything that had to be filled in. Correctly.
But when I was going to select my adress, I noiced that last 2 letters of my ZIP code are missing. Thought it was my mistake so I added those 2 letters and saved changes.
They were missing again.
Am I doing something wrong? Or it just doesn't show full ZIP code because there's no space to show it?

[Janice, Moderator]

Did you do a correction on the giveaway page, or on your profile? You may need to update it on your profile. If not, you may want to go to Goodreads Feedback group and leave this message.