To find your Nexon account user number, follow the steps below.
1. Log in to Nexon Launcher. If you do not have Nexon Launcher, you can download it here.
2. From the upper right-hand corner, click the drop-down button.
3. Select "Edit Profile".
4. The pop-up menu that appears displays your Nexon account user number under your display name. Copy the number, as you will need to provide it in the entry form.