Maria Adams, Credit Cards Moderator
@m_adams
To log in to your Costco Anywhere Visa® Card by Citi account, go to the login page on the Citibank website or mobile app and enter your username and password in the appropriate fields. Then, click the “Sign On” to access your online account. If you don’t already have an account, you will need to start by clicking “Register for Online Access” in order to set up a username and password.
How to Log in to a Costco Credit Card Account
- Register your Costco Credit Card for online account access. Click “Register for Online Access” and enter your your card number, birthdate and the last 4 digits of your Social Security number or Tax ID number to verify your credit card account.
- Choose your Costco Credit Card username and password. The username must be between 5 and 50 characters, including special characters, but no spaces. The password must contain from 6 to 50 characters and have at least one letter and one number, different from your password, and no more than two consecutive identical characters. The password is not case sensitive and may contain special characters.
- Log in with your new Costco Credit Card credentials. From the login page on the Citibank website or mobile app, fill out the User ID and Password fields using your new credentials, and click “Sign On” to access your account.
After you have signed up and logged in, you’ll be able to manage your Costco Credit Card account online. You can pay your credit card bill, see credit card statements, monitor account activity, and change account information such as passwords and automatic payments.
If you forget your login information, click “Forgot Password?” on the Citibank login page. Then, just follow the prompts to reset or retrieve your username or password.

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