Are you trying to access your Costco Anywhere Visa® Card by Citi but the login isn’t working?
You're not alone — many users face login problems due to browser issues, incorrect login details, blocked networks, or Citi website outages.

This guide covers the 11 most effective fixes to restore access quickly, plus the correct login link and troubleshooting steps.

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🔹 Correct Costco Credit Card Login URL

Costco credit cards are issued by Citibank, so the official login page is:

👉 https://online.citi.com/

⚠️ Never use third-party or suspicious URLs like “costcocardlogin” or “citi-costco.net”.

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⭐ Why Costco Credit Card Login May Not Work

Common reasons include:

• Wrong User ID or Password

• Browser cache issues

• Site maintenance

• VPN interference

• Verification code not received

• Internet connection errors

• Device/browser incompatibility

• Account temporarily locked

Below are the 11 proven fixes.

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⭐ 11 Ways to Fix Costco Credit Card Login Not Working

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1️⃣ Check Your Login Credentials

Ensure:

• User ID is typed correctly

• Password is correct

• Caps Lock is OFF

• No accidental spaces

If needed, use:

👉 Forgot User ID?
👉 Forgot Password?

Citi will guide you through identity verification.

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2️⃣ Clear Browser Cache & Cookies

Old or corrupted cookies can block login pages.

Fix:

• Open Browser Settings

• Clear Cache + Cookies

• Restart the browser

• Log in again

This solves most login errors.

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3️⃣ Disable VPN, Proxy, or Ad Blockers

Citi’s security system may block logins from:

• VPNs

• Proxies

• Private DNS

• Browser extensions

Turn them OFF and reload the login page.

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4️⃣ Use Another Browser

If Chrome doesn’t work, try:

• Safari

• Firefox

• Edge

• Brave

Browser compatibility issues are common.

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5️⃣ Try a Different Device

Switch from:

• Mobile → Desktop

• Desktop → Mobile

Many login failures are device-specific.

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6️⃣ Switch Your Internet Network

Try:

• Wi-Fi → Mobile Data

• Mobile Data → Wi-Fi

Sometimes networks block secure banking pages.

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7️⃣ Check if Citi is Down or Under Maintenance

Citi occasionally performs updates.

Check:

• The Citi mobile app

• Downtime monitoring sites

• Social media posts

If the site is down, wait a few minutes.

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8️⃣ Update Your Browser

Outdated browser versions may not support Citi’s security features.

Update Chrome/Safari/Edge → Restart → Try again.

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9️⃣ Enable Cookies & JavaScript

Citi login requires:

✔ Cookies
✔ JavaScript
✔ Pop-ups (sometimes)

Make sure these are turned ON.

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🔟 Fix Verification Code (OTP) Not Received

If Citi requires a code but you never receive it:

• Wait 2–5 minutes

• Click Resend Code

• Check Spam/Junk email

• Restart your phone

• Turn off VPN

• Try switching network

• Ensure your phone number/email is correct

If still not received → contact Citi.

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1️⃣1️⃣ Account Temporarily Locked

Too many failed attempts can lock you out.

Fix options:

• Wait 24 hours

• Reset your password

• Call Citi support to unlock

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⭐ Still Can’t Log In? Contact Citi Customer Service

For persistent issues involving:

• Account lockout

• Identity mismatch

• Fraud alerts

• Verification failures

Call the customer service number printed on the back of your Costco Visa card.

They can verify your identity and restore access manually.

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🔹 What You Can Do After Logging In

Once working, your Costco Citi dashboard lets you:

✔ View balance & transactions
✔ Pay your bill
✔ Schedule or manage Autopay
✔ Track Costco cashback rewards
✔ View/download statements
✔ Set payment alerts
✔ Update profile
✔ Manage security settings

Access available 24/7 online or via the Citi Mobile® app.