The Costco Anywhere Visa® Card by Citi lets you earn strong cashback rewards on gas, travel, dining, and Costco purchases. To manage your account, view transactions, pay bills, or track rewards, you need to sign in through Citi’s secure online system.

This guide shows you exactly how to log in, plus troubleshooting tips if the login isn’t working.

🔹 Official Login Page for Costco Citi Credit Card

Costco credit cards are issued by Citibank, not Costco.com.
To sign in, always use the official Citi login portal:

👉 https://online.citi.com/

⚠️ Avoid third-party or fake login websites.

⭐ How to Sign In to Your Costco Citi Credit Card Account

✅ Step 1: Visit the Citi Login Page

Open your browser and type:
👉 online.citi.com

This will take you to Citi’s secure sign-in page.

✅ Step 2: Enter Your User ID & Password

On the login screen:

• Type your User ID

• Enter your Password

Double-check for typos and ensure Caps Lock is off.

Then click Sign On.

⭐ What Happens After Login

Once signed in, you can access your full Costco Visa dashboard:

• 📄 View account statements

• 💳 Check balance & recent transactions

• 💰 Track Costco cashback rewards

• 📅 Make or schedule payments

• 🔁 Manage Autopay

• 🔔 Set billing and transaction alerts

• 🛡 Lock/unlock your card

• ✏ Update your user profile

Everything is available 24/7.

🔹 How to Log In Using the Citi Mobile® App

You can also access your Costco credit card using your phone.

Steps:

1. Download the Citi Mobile® App
   – Available on Google Play & App Store

2. Open the app and tap Sign On

3. Enter User ID & Password

4. Complete verification if asked

5. Access your Costco Visa dashboard

Mobile app login is quick and supports biometric login (Face ID / Touch ID).

🔹 New User? Here's How to Register First

If you have never signed in before, first create an online account.

1. Visit online.citi.com

2. Click Register for Online Access

3. Enter:

   • Your card number

   • Name on card

   • Date of birth

   • ZIP code

4. Create User ID and Password

5. Confirm identity via email or phone

Once registered, go back to the login page and sign in.

🔧 Troubleshooting: Can’t Sign In?

If you’re unable to access your account, try these fixes:

✔ 1. Reset Your Password or User ID

Click:

• Forgot User ID?

• Forgot Password?

Follow Citi’s identity verification steps.

✔ 2. Clear Browser Cache & Cookies

This solves 60% of login problems.

✔ 3. Disable VPN or Proxy

Citi blocks logins from suspicious or masked IPs.

✔ 4. Use Another Browser or Device

Try Chrome, Safari, Firefox, or Edge.

✔ 5. Switch Internet Networks

Move from Wi-Fi → Mobile Data (or vice versa).

✔ 6. Check for Citi Maintenance

The system may be temporarily down.

✔ 7. Contact Citi Support

If your account is locked or verification fails repeatedly, call the number on the back of your Costco card.