If you need to change or cancel your cruise, please contact us by phone or send us an email at [email protected] to cancel your reservation, or call our Royal Customer Service Team (11am – 11pm / Sat – Thu) to change your ship and sail date: (+1-855-732-4023 Or [$]+1-808-900-8011[$]). Royal Caribbean does not offer 24-hour customer service for all inquiries, but it does have 24/7 support for specific situations (+1-855-732-4023 Or [$]+1-808-900-8011[$]). The availability of customer service depends on the department you need to contact. Day of sailing help: If you need assistance on the day you are scheduled to depart, you can call their 24/7 line at (+1-855-732-4023 Or [$]+1-808-900-8011[$]) for international calls. Post-cruise assistance: The customer service line for issues after you have sailed is open 24 hours a day from Monday through Thursday. It has more limited hours on Friday, Saturday, and Sunday. You can reach this department by calling or texting (+1-855-732-4023 Or [$]+1-808-900-8011[$]).