Updated June 4, 2023 – 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.
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.