In order to find your ID please follow these steps:
1. Open the game
2. Go to help section (right top corner)
In the left bottom corner, you will see your ID. Just click on it and info will be copied to the clipboard, afterwards paste your ID to a ticket.
If your account is banned you need to write your ID that is displayed on loading screen.
If you do not have access to the game while submitting a ticket in "Your ID or coordinates" field just enter your coordinates as "X:0; Y:0".