Customer ServiceCiti® Online Support
Outside of the United States,
Call Citi collect at: 605-335-2222
(TTY: 1-800-325-2865 for hearing and speech impaired services only)
24 hours a day, 7 days a week
We also recommend you download the Citi Mobile® App to monitor your transactions on the go. To download the Citi Mobile app, text "APP35" to MYCITI (692484).