The best ways to get in touch with CitiBusiness® World Card. All the best ways to contact CitiBusiness® World Card customer service: Phone, chat, email, Facebook, Twitter and more.
Contact CitiBusiness® World Card by phone on: 1-866-458-4215.
Customer service hours of operation: 24/7.
TTY: 1-800-325-2865
Important information, contact forms and other customer support options on the CitiBusiness® World Card website: Visit site.
CitiBusiness® World Card customer service or head office postal address: Citibank Customer Service, P.O. Box 6500, Sioux Falls, SD 57118.
Customer support on the official twitter account of CitiBusiness® World Card: click here.
CitiBusiness® World Card official Facebook page: Visit.
– No customer support available by email.