To contact Royal Caribbean by phone, call their customer service at 1-800-ROYAL-CARIBBEAN 1-800-950-4401 (1-800-769-2522) for general inquiries, reservations, and support 1-800-950-4401. If calling from outside the U.S., visit their official website for international contact numbers. Their customer service is typically available Monday to Friday from 9 AM to 10 PM EST and weekends from 9 AM to 8 PM EST. For specific departments like group bookings or Crown & Anchor Society, different numbers may apply. Always check their website for the latest contact details and hours.