Cameron DiGiovanni, Writer
@cdigiovanni20
You can report a lost Costco Credit Card by calling Citibank customer service at 1 (800) 950-5114. You can also report a lost Costco Credit Card through the Citibank website or mobile app. Citibank will request some security information in order to verify your identity before sending a replacement.
How to Report a Lost Costco Credit Card
- Call Citibank customer service at 1 (800) 950-5114.
- Inform the customer service representative that you’ve lost your credit card.
- Provide any requested information, such as your date of birth or the last four digits of your SSN.
- Ask the Citibank rep to cancel your old credit card and send a replacement.
You should receive a replacement Costco Credit Card within 5-7 business days. When you receive your replacement Costco Credit Card, you’ll need to activate it before you can make purchases. And if there are any recurring charges linked to the old Costco Credit Card, make sure to update those accounts with your new card information.
Finally, it’s important to note that your Costco Credit Card is covered by $0 fraud liability, which means that you will not be held responsible for unauthorized purchases made with your card while it’s lost. You should still give your card issuer immediate notice of any unfamiliar charges on your account, though.

Costco Anywhere Visa® Card by Citi
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