There are a few other ways you can contact Costco Credit Card customer service, too; you can submit an inquiry by mail, or visit a local Citi branch.
Here’s how you can contact Costco Credit Card customer service:
Online:Log in to your citi.com account or open the Citi Mobile App to live chat with a customer service representative
Phone Number: Call (855) 378-6467. When prompted, enter the last four digits of your Costco Credit Card number. Then, say “customer service” to connect to a customer service representative, or select an option from the menu. Live customer service representatives are available 24 hours a day, 7 days a week.
Mail: If you prefer to contact them via mail, you can do so in the following address: Citibank Customer Service P.O. Box 6500 Sioux Falls, SD 57117
It’s worth noting that Costco Credit Card customer service is only able to answer inquiries related specifically to your Costco Credit Card account. If you have questions regarding your Costco store account, call the store’s customer service at (800) 774-2678 or visit the customer service website to live chat with a representative.
The easiest way you can make a Costco Credit Card payment is either online, or by calling customer service at (855) 378-6467. Alternatively, you can make a payment through the mobile app or via mail. There are several options, too, so you can choose whichever is most convenient. To help you make that determination, we’ll explain each payment method in more detail below.… read full answer
Here’s how to make a Costco Credit Card payment:
Online:Sign into your account on the Citibank website. Click the “Payments” tab, select “Make A Payment,” and choose a payment to use to complete the transaction.
Mobile app. Citi’s free Apple and Android apps offer the same features as the Citi website. Once you download the app and sign in (same username and password as the web version), you’ll be able to see and pay your bills.
Phone: You can submit payment through an automated service or request to speak to a customer service representative, by calling (855) 378-6467.
Mail. Once you receive your statement for the month, you can mail your check or money order payment to Citi at: Citibank / Costco Anywhere Visa P.O. BOX 78019 Phoenix, AZ 85062-8019
Make sure to postmark it by the day the bill is due. Otherwise, you’ll be marked as late.
If you decide not to use the mail, you’ll have the option of paying your Costco Credit Card bill with an electronic transfer from a checking account, savings account or prepaid card.
In conclusion, there are several ways to make a Citi Costco Credit Card payment. So just choose whichever method is easiest for you. What you don’t want to do is miss payments, as that can seriously damage your credit score.
Online: Log in to your online account and click on “Make a Payment”. Then, choose how much to pay, when to pay it, and where the payment is coming from. After that, confirm your choices and submit your payment.
Through the mobile app: Download the app for Android or iOS. Then, log in to your account and select your card. After that, tap “Make a Payment” and follow the on-screen instructions to complete the process.
Overt the phone: Call (800) 950-5114 or the number on the back of the card and enter your card information when prompted. Then, follow the automated prompts to make a payment.
By mail: Send a check or money order (but not cash) to:
P.O. BOX 9001037 Louisville, KY- 40290-1037
Overnight Delivery / Express Payments
Citibank Express Payments 6716 Grade Lane Building 9, Suite 910 Louisville, KY 40213
At a Citibank ATM: You can make a payment at a Citibank ATM. Citibank ATMs will accept cash payments up to $3,000 per credit card account per calendar month.
You should note that paying your credit card bill by regular mail takes the longest. Make sure to send it at least 7 days before the due date, so that it won’t be late. Write your name and credit card number on the check, too.
WalletHub Answers is a free service that helps consumers access financial information. Information on WalletHub Answers is provided “as is” and should not be considered financial, legal or investment advice. WalletHub is not a financial advisor, law firm, “lawyer referral service,” or a substitute for a financial advisor, attorney, or law firm. You may want to hire a professional before making any decision. WalletHub does not endorse any particular contributors and cannot guarantee the quality or reliability of any information posted. The helpfulness of a financial advisor's answer is not indicative of future advisor performance.
WalletHub members have a wealth of knowledge to share, and we encourage everyone to do so while respecting our content guidelines. This question was posted by a WalletHub user. Please keep in mind that editorial and user-generated content on this page is not reviewed or otherwise endorsed by any financial institution. In addition, it is not a financial institution’s responsibility to ensure all posts and questions are answered.
Ad Disclosure: Certain offers that appear on this site originate from paying advertisers, and this will be noted on an offer’s details page using the designation "Sponsored", where applicable. Advertising may impact how and where products appear on this site (including, for example, the order in which they appear). At WalletHub we try to present a wide array of offers, but our offers do not represent all financial services companies or products.