To reach Citi Simplicity customer service, call 1 (866) 696-5673. From the automated system, enter the last four digits of your Simplicity card number to verify the account, then state the purpose of the call or press the designated number for that issue. Or, say “customer service” at any time during the call to connect to a live representative. Citi Simplicity customer service representatives are available 24 hours a day, 7 days a week.
Other Citi Simplicity customer service options include online live chat, in-person service at a local Citi branch, and contacting representatives by mail or social media. Citi recommends using the live chat feature – online or via the Citi Mobile app – for the fastest service on your account.
Ways to Reach Citi Simplicity Customer Service:
Phone Number: 1 (866) 696-5673
Online: Log in to Citi Online or use the Citi Mobile App to live chat with a customer service representative
Mail: Citibank Customer Service, P.O. Box 6500, Sioux Falls, SD 57117
Social Media: Facebook & Twitter
In-branch: Find a Citibank branch or ATM
Before you contact Citi Simplicity customer service, you should refer to the “Common Questions” section on their “Contact Us” page. You may get the answer to your question without having to call or log in to your account.
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