Activating your card is easy. Fill in the information below to get started. Enter your card number without any dashes or spaces. Already registered for online access? Sign on to activate your …

Please activate your new cards at citi.com/activate and safely destroy old cards. Everyone who received a new card should update their account information with any online retailers or …

Verify your Citibank card activation online quickly and securely.

May 30, 2025 · You’ll typically get your card in the mail along with activation instructions. There may be several ways to activate it, such as by phone, online or via the bank’s mobile app.

Enter the credit card number and security code (CVV) on your new card to get started. For your security, avoid using a public computer when conducting corporate card transactions.

Important Information: • For your security, do not attempt to activate the new physical card if not yet received. • Primary card MUST be activated before you activate a supplementary card • …

Nov 30, 2024 · How To Activate A Citi Credit Card? You can activate a new Citi credit card on Citi website, app or by phone. Here are the steps to take and what to do after activating

Oct 29, 2025 · How can I activate my Citi credit card? To activate a Citibank credit card, call the phone number on the back of your card or go to the Citibank activation website and follow the …

Jan 21, 2025 · If you have a card that needs to be activated, there will be an option to activate your card. You can also activate via a form on Citi’s website or over the phone by calling 1-800 …

In this video, we’ll show you how to activate your Citibank credit card quickly and securely using the official methods provided by Citi.