Below you will find the key information you need as a Citi Simplicity credit card holder to access your account online, make payments, and reach customer service for further assistance. Information checked for accuracy on March 28, 2024.
Online Account Access
Customer Service – Help & Pay By Phone
- The Citi credit card customer service phone number for payments is 800-950-5114.
Credit Card Payment Address
Citi Simplicity Card
P.O. Box 9001037
Louisville KY, 40290-1037
In Person
Pay your Citi Simplicity credit card bill at any Citibank branch.