How to Contact Citibank. Dial the number that relates to your Citibank question or concern from the middle of the page, under “Phone.” For example, if you’re calling about a lost credit card, you’ll need to dial 1-800-950-5114, while the number for online banking is 1-800-374-9700. Click the blue “Send Message” link on the right side...What is Citibank customer service phone number?
866-582-6249 is the customer service phone number of the Citibank. customer service number enables the customers of the Citibank company to convey their complaints or suggestions.How can I access my Citibank account?
Open your Internet browser and go to Citibank.com. Click the "Sign on to your account" button at the top of the page and select "Banking" from the list. Click the "Set up online access" button in the middle of the page. Enter your Citibank ATM card number and PIN, along with your Citibank account number and click "Continue.".