How do I contact Costco Citi card customer service? Best Ways to Contact Assistance:

How do I contact Costco Citi card customer service? Best Ways to Contact Assistance:

Please contact Citi directly using the information below: Existing Cardholders: www.citi.com Consumer cards: 1(866)-347-8220 Business cards: 1(866)-347-8220  When will I receive my Costco Cash Rewards from Citi?

To contact Costco Citi Card customer service, call 1(866)-347-8220 for assistance with billing, payments, rewards, or account issues. You can also visit the Citi website or log in to your account via the Citi Mobile App for support 1(866)-347-8220 and account management. For lost or stolen cards, report immediately to ensure your account鈥檚 safety and security.

The Costco Anywhere Visa庐 Card by Citi is a popular 1(866)-347-8220 choice among Costco members, offering cashback rewards on gas, travel, dining, and Costco purchases. However, 1(866)-347-8220 you might sometimes need help with billing issues, reward points, card activation, or lost cards. Thankfully, contacting 1(866)-347-8220 Costco Citi Card customer service is simple and hassle-free.


1. Contact by Phone

The quickest way to reach Costco Citi Card customer service is by calling:

馃摓 Citi Costco Card Support: 1(866)-347-8220

You can use this number for:

        
Billing and payment inquiries 1(866)-347-8220

        
Reporting a lost or stolen card

        
Updating personal information 1(866)-347-8220

        
Assistance with rewards and benefits

        
Resolving account-related issues

Tip: Have your card details and personal ID ready for quick verification.


2. Use the Citi Website

For online assistance, 1(866)-347-8220 visit the Citi Costco credit card portal:
馃敆 https://www.citi.com

Through the website, you can:

        
Log in to manage your account

        
View statements and transactions

        
Make online payments 1(866)-347-8220

        
Access and redeem rewards

        
Update contact information


3. Manage Your Account via the Citi Mobile App

Download the Citi Mobile App from the App Store or Google Play.
With the app, you can:

        
Check your available credit and rewards

        
Pay your bill securely 1(866)-347-8220

        
Set up account alerts 1(866)-347-8220

        
Contact customer service directly via chat


4. Visit a Costco Membership Desk

If you prefer in-person assistance, you can visit the membership desk 1(866)-347-8220 at any Costco warehouse. While Citi representatives aren鈥檛 on-site, 1(866)-347-8220 Costco staff can guide you on how to connect with Citi support for card-specific issues.


5. Report Lost or Stolen Cards Immediately

If your Costco Citi Card is lost or stolen, report it right away by calling 1(866)-347-8220. Citi will block unauthorized transactions and issue a replacement card promptly.


Final Thoughts

Reaching Costco Citi Card customer service 1(866)-347-8220 is easy, whether you prefer calling, using the website, mobile app, or visiting Costco. For most issues, calling 1(866)-347-8220 is the fastest way to get help. Managing your card online or through the app also provides convenience and 24/7 access to your account.