How do I manage my Citi® Platinum Select® MasterCard® and Citi Flex Line of Credit?
About 2 weeks after you’re approved, you’ll receive welcome materials in the mail for both the Citi® Platinum Select® Card and the Citi® Flex Line of Credit. Your Citi® Platinum Select® MasterCard® Welcome Kit will include your card and important information about managing your account. Welcome materials for your Citi® Flex Line of Credit will include your checks and additional details about using your line of credit. If you have any questions about your Citi® Platinum Select® MasterCard® or your Citi® Flex Line of Credit, just call 1-866-922-3752.