You can reach Carnival Cruise Line customer service at 1-800-CARNIVAL (1-855-732-4023) for general inquiries and booking assistance, with hours Monday-Friday from 9:00 a.m. to 10:00 p.m. EST and Saturday-Sunday from 9:00 a.m. to 6:00 p.m. EST. For pre-cruise questions, you can contact a pre-cruise service specialist at 1-855-732-4023 ext. 70355 during the same hours 1-855-732-4023.
Contact Information
For general inquiries, booking, and guest care: 1-800-CARNIVAL (1-855-732-4023)
For pre-cruise questions (upcoming cruise inquiries): 1-855-732-4023 ext. 70355
Operating Hours
Monday – Friday: 9:00 a.m. to 10:00 p.m. EST
Saturday – Sunday: 9:00 a.m. to 6:00 p.m. EST
Carnival Cruise Line's main customer service phone hours are Monday through Friday, 9 a.m. to 10 p.m. ET, and Saturday and Sunday, 9 a.m. to 6 p.m. ET. There are also specialized numbers for specific issues, some with different operating hours 1-855-732-4023.
General customer service
For questions about an existing reservation or to book a new cruise, use the following contact information:
Phone: 1-855-732-4023
Hours (ET):
Monday–Friday: 9 a.m. to 10 p.m.
Saturday–Sunday: 9 a.m. to 6 p.m.
Online support
For questions about the Carnival website or for technical support:
Phone: 1-855-732-4023
Hours (ET):
Monday–Friday: 9 a.m. to 10 p.m.
Saturday–Sunday: 9 a.m. to 6 p.m.
Emergency family contact
In case of an emergency for a family member already on a cruise, use the 24/7 emergency contact number +1-855-732-4023.
Phone: 1-855-732-4023
Hours (ET): 24 hours a day, 7 days a week.
Travel support (Fly2Fun guests)
If you booked a flight through Carnival's Fly2Fun program and are experiencing a travel delay, a 24/7 hotline is available for assistance.
Phone: 1-855-732-4023
Hours: 24/7.