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Citi® Identity Theft Solutions

Security features come with every Citi card because guarding your personal information is our top priority.  Learn more

Account Online

Check your balance and due date, pay your bill and perform balance transfers securely online--24/7. Learn more

Technical Support

1-800-347-4934

Customer Service

1-800-950-5114

Internet Security Specialists

1-888-285-9696 Suspicious email or text messages? Report them to spoof@citicorp.com

Help & Contact Us

If you have credit card questions, want smart credit tips, or need to contact us 24/7, then you're in the right place. Find what you're looking for and more.

Contact Citi Cards

We're here if you need to reach us. Our customer service, technical and security specialists are ready to assist, around the clock.

Contact Citi Cards

Access customer service phone numbers and mailing addresses for your specific credit card. Plus, get lost or stolen credit card and technical assistance contact information.

Frequently Asked Questions

Browse through our FAQs for answers to your general or card-specific questions.

View FAQs

Get answers to your credit and credit card questions in our FAQs.

Glossary

Review the glossary for common credit terms and their definitions.

Glossary

From A-Z, you'll find definitions for terms such as Average Daily Balance, Debt Ratio and Variable Expenses.

Credit Education

Discover tips for using your credit card safely and information on topics such as maintaining good credit.

Get Credit Education

Whether you're a long-time cardmember or student eager to build a good credit history, find valuable credit knowledge fast.

Visit our Use Credit Wisely website

Site Map

Can't find exactly what you're looking for? Scan our complete site map to find the information you seek.

Use our Site Map

Our site map is organized the same way our website is, so you'll easily find each section. If you're looking for a specific credit card, find all of our cards listed by name here.

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