Contact CitiGroup and get the company to listen

How to Contact Citi Customer Service

There’s more than one way to contact Citibank. And if they don’t listen you have options…

CitiGroup offers a vast array of services. Contacting customer service can be confusing if you do not contact the right department for your needs. The website provides various pages for customer service support, depending on the CitiGroup product for which you need assistance. 

How to Contact CitiGroup Customer Service

If you need to reach CitiGroup banking services, call 1-800-374-9700 or TTY: 1-877-693-0372 for persons with hearing or speech impairments.

To apply for an account call 1-800-745-1534 / TTY: 1-800-992-9833

For Spanish service call 1-800-360-2484 / TTY: 1-800-945-0258

For general support call 1-888-248-4226 or 210-677-3777 if you are outside the U.S. or 1-800-945-0258 for people with hearing or speech impairments.

CitiGroup provides online customer support, which can be reached by logging onto the online banking portal.

You can also use all the online banking features, including customer service, by downloading the app, which is available on the Google Play Store or the App Store. 

To find the right customer service contact information, visit the Contact Us page to search for the help you need. 

Credit Cards

Citigroup is one of the largest global providers of credit cards, with over 110 million customers. To shop for a card to fit your needs, visit their credit card page to help match you with the best card for your needs. 

Credit card customers can reach CitiGroup card services at 1-800-347-4934. To make a payment by mail, send it to CitiGroup, P.O. Box 9001037, Louisville, KY 40290-1037.

Corporate, Commercial and Small Business Customers

If you are a corporate customer, CitiGroup customer service can be reached by visiting its institutional business page. Commercial clients can contact customer service by logging into their commercial banking account.

CitiGroup offers a wide variety of services for small businesses. The small business web page will help you get started in locating the services you need. You can also call customer service for small businesses at 1-866-422-3091 Monday-Friday 7:00 am to 11:00 pm. 


If you have questions about an existing mortgage or would like to apply for a mortgage, you can find everything you need to know on the CitiGroup mortgage page. If you would like to reach the mortgage department by phone, call 1-855-839-6253.

Payments by mail can be sent to CitiMortgage, Inc., P.O. Box 78015, Phoenix, AZ 85062-8015. For inquiries or problems with your mortgage, send correspondence to CitiMortgage, Inc., P.O. Box 6728, Sioux Falls, SD 57117-6728


The Servicemembers Civil Relief Act (SCRA) provides various avenues of protection to service members. If you are an active member of the U.S. military with credit card debt, mortgage payment issues, or other financial problems, contact CitiGroup at 1-877-804-1082 or, if outside the U.S. you may call collect at 1-605-335-2222. 

You can also send a copy of your DoD orders, a letter from your commanding officer or other documentation that the Department of Defense deems a substitute for official orders to:

Citi Customer Service, SCRA Unit, P.O. Box 790389, St. Louis, MO 6379.

Or by fax at 1-866-533-0503. You can reach the department, or send documents via email at militaryorders@citi.com.

Other Options

If reaching out to customer service isn’t working, you might wonder what other options you have. Most user agreements contain language that prevents you from joining any Citibank lawsuits but if you’ve had problems with your account, or been the victim of things like Citibank fraudulent accounts, we can help. FairShake can help you file a complaint against Citibank or use arbitration to get the resolution you deserve.

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