My Sun Superdays unique booking code isn’t working? If your code is not working please reach out to the Sun’s Help Support team. https://www.thesun.co.uk/contact-us/ Related articles How do I get my two free tickets with The Sun Superdays? Is my 2 for 1 valid at The London Dungeon? How do I book my £10 London Eye tickets through The Sun Superdays ? Who do I contact if I have a query about my Sun Superdays tickets? I have Sun Free tickets but I can’t book for the time slot/date I want, as it is showing as unavailable. What do I do?