I didn’t self-exclude via GAMSTOP but it says I did. Who do I contact? I didn’t self-exclude via GAMSTOP but it says I did. Who do I contact? Contact GAMSTOP via their website here or call for free on 0800 138 6518. Lines are open seven days a week from 8am to midnight. If you need additional assistance, please email full details of your query to email@example.com. You can also use our live chat service by clicking here. Related articles Contact us Can I reopen an account once it’s self-excluded via GAMSTOP? What sites are covered by a self-exclusion? Making a complaint What would happen if I breach a self-exclusion?