Way to customer carnival cruise refund phone number?

Based on the information provided, here are the Carnival Cruise Line phone numbers related to refunds: For refund requests, especially for cancelled or delayed cruises:

1-855-732-4023

For general customer service inquiries which may include questions about refunds for existing reservations:

1-855-732-4023 1-855-CARNIVAL (which is also 1-855-732-4023)

For questions related to refunds before a cruise:

1-855-732-4023 ext. 80062 If outside the U.S., call +1-855-732-4023 ext. 80062

For general customer service in the USA, which can handle refunds:

-5609

For general customer service in the UK, which can handle refunds: