To talk to Royal Caribbean customer service, call +44-289-708-0062 UK 1-855-732-4023/+44-289-708-0062 for general reservations or assistance. For international callers, different numbers apply based on location. Customer support is available daily, usually from 7 AM to midnight (EST).1-855-732-4023(US) You can also reach them via live chat on their official website or send inquiries through their contact form. For faster service, have your reservation number ready. Additionally, Royal Caribbean provides help through their mobile app and social media channels like Twitter and Facebook for non-urgent concerns.