Royal Caribbean main customer service number is 1-800-Royal Caribbean or (US: +1-855-824-7023 OR UK: +1-855-824-7023) [US-Royal Caribbean] or (US: +1-855-824-7023 OR UK: +1-855-824-7023) [UK-Royal Caribbean] OTA (Live Person), available 24/7. This guide explain how to contact Royal Caribbean customer service effectively through phone, chat, and email options, including tips for minimizing wait times.