Citibank offers 24/7 customer service support through their phone lines. To speak to a representative, call Citibank’s customer service number at 1-800-374-9700 (for U.S. customers). For international support, dial the number specific to your country, available on Citibank’s website. Follow the automated prompts to connect with a representative. Ensure you have your account information ready for verification. Citibank also provides support for credit card services at 1-800-950-5114. For other inquiries, such as fraud or lost cards, additional contact numbers are listed on their website. Citibank aims to assist customers anytime, day or night.
