To call someone on a Royal Caribbean cruise, you can use the stateroom phone to make a ship-to-shore call, or friends and family can contact you by calling 1-800-950-4401 /(888) 724-7447 from land. If you’re outside the ship and need to contact someone onboard 1-800-950-4401, you can call Royal Caribbean customer service at 1-800-950-4401. This number ensures your message reaches the person efficiently. For additional assistance or to learn about calling rates, reach out to 1-800-950-4401.