Costco Credit Card login, payment, customer service

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Costco, a popular wholesale club, has millions of members who enjoy various benefits, including cash-back rewards when using the Costco Anywhere Visa® Card by Citi®. With this card, you can earn cash back on different types of purchases. For instance, you get 4% cash back on gas and electric vehicle charging expenses, up to $7,000 per year.

Additionally, you earn 3% cash back on restaurant and eligible travel purchases, 2% on Costco wholesale purchases, and 1% on all other purchases. This makes the Costco credit card an attractive choice, especially if you frequently shop at Costco.

One notable feature of this card is that you can use it wherever Visa is accepted, providing flexibility in your spending. Moreover, there is no annual fee for the card as long as you have a paid Costco membership. Another advantage is that the Costco Anywhere Visa card qualifies for Citi Price Rewind, a service that searches for the lowest prices on items you buy with your Citi card, potentially saving you money.

To continue enjoying these excellent benefits, it’s crucial to manage your card well. Below are more info to help you manage your Costco credit card effectively.

Costco Credit Card account access

Cardholders can conveniently log in to their Costco card account by visiting the Citi website, allowing them to make payments and efficiently manage their account details.

To log in to your Costco Visa account online, follow these steps:

  1. Visit the Citibank website or use their mobile app.
  2. Enter your username and password in the provided fields.
  3. Click the “Sign On” button to access your online account.

If you don’t have an account yet, here’s how to set it up:

  1. Click “Register for Online Access.”
  2. Enter your card number, birthdate, and the last 4 digits of your Social Security number or Tax ID number to verify your credit card account.
  3. Choose a username and password. The username should be 5 to 50 characters long and can include special characters but not spaces. The password must be 6 to 50 characters, contain at least one letter and one number, and be different from your username. It can’t have more than two consecutive identical characters and is not case sensitive.
  4. Log in with your new credentials by filling out the User ID and Password fields on the login page and clicking “Sign On.”

Once you’re logged in, you can manage your Costco Credit Card account online. You can pay your credit card bill, view statements, monitor account activity, and update account information, including passwords and automatic payments.

If you forget your login details, click “Forgot Password?” on the Citibank login page and follow the prompts to reset or retrieve your username or password.

Costco Credit Card payment

To make a payment for your Costco Credit Card from Citi, you have several options:

  • Online: Sign in to your Citibank account on their website. Go to the “Payments” tab, select “Make A Payment,” and choose a payment method to complete the transaction.
  • Mobile App: Download the free Citi app on your Apple or Android device. Sign in with the same username and password as the website to view and pay your bills.
  • Phone: Call customer service at (855) 378-6467. You can use an automated service or speak to a representative to submit your payment.
  • Mail: After receiving your monthly statement, you can mail a check or money order payment to the address provided. Make sure to send it at least 5-7 days before the due date and include your credit card number to avoid delays.

For overnight payments, use the address:
Citibank / Costco Anywhere Visa
Attention: Bankcard Payments Department
6716 Grade Lane Building 9
Suite 910
Louisville, KY 40213

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If you choose to mail your payment, ensure it arrives on time. Alternatively, you can make electronic transfers from a checking account, savings account, or prepaid card.

You must pay your bill within 25 days of the statement date to avoid extra charges. To prevent interest charges, it’s essential to pay the full amount of your new balance. If you pay after the 25-day grace period, there will be a late fee. The standard late fee is $27, but it can increase to $37 if you’ve previously made a late payment within the last six billing cycles.

It’s worth noting that online and phone payments are processed immediately, while payments sent by mail may take up to 10 days to reach your account. If your payment due date is approaching, it’s advisable to pay online or by phone for a timely payment.

In summary, there are multiple ways to make a payment for your Citi Costco Credit Card, so choose the one that suits you best. Missing payments can harm your credit score, so it’s essential to make payments on time.

Costco Credit Card customer service

For any inquiries or assistance, cardholders can contact customer service using the provided phone number: 1-855-378-6467. It’s important to note that customer service and payment services are handled by Citibank, the issuer of the Costco Visa credit card.

To contact Costco Citi Card customer service, you have a few options:

  • Online: Log in to your account or use the Citi Mobile App to chat with a customer service representative.
  • Phone: Call (855) 378-6467 and enter the last four digits of your Costco Credit Card number. Then, say “customer service” or choose an option from the menu. Customer service representatives are available 24/7.
  • Mail: You can send inquiries to the following address:
    Citibank Customer Service
    P.O. Box 6500
    Sioux Falls, SD 57117
  • In Person: You can also visit a Citibank branch.

Keep in mind that Costco Credit Card customer service can assist you with questions related to your Costco Credit Card account. If you have inquiries about your Costco store account, contact the store’s customer service at (800) 774-2678 or visit their customer service website for live chat support.

Costco Credit Card payment address

The Costco Credit Card payment address is:

PO Box 78019
Phoenix, AZ 85062-8019

When sending payment by mail, use a check or money order; cash is not accepted. To ensure a smooth process:

  1. Include your credit card number on the payment to prevent delays.
  2. Make sure Citibank receives the payment on or before the due date to avoid late fees.
  3. If necessary, send payment via overnight mail to this address:

Attn: Bankcard Payments Department
6716 Grade Lane Building 9
Suite 910
Louisville, KY 40213

Paying by mail takes the longest to process, but you can also pay online, through the Citibank mobile app, or by calling customer service at 1 (855) 378-6468. In-person payments are accepted at local Citibank branches.

The bottom line

You can access your Costco credit card account by visiting the Citi Bank website at You can log in to your account using your user ID and password. If you have any issues with logging in, you can contact the Costco credit card customer service team at 1-855-378-6467 for consumer cards and 1-855-378-6468 for business cards.

To make a payment on your Costco credit card, you can visit the same website,, and log in to your account. You can also make a payment by calling the customer service team at the numbers mentioned above.

If you have any other questions or concerns regarding your Costco credit card, you can contact the customer service team at the numbers mentioned above or visit the Costco Customer Service page at for more information.