How to Activate Your Discover It Card

The three ways to set up your Discover It card

You can set up your Discover It card through Discover's website, their mobile app, or by phone. The website and app routes are fastest — both take about two minutes and work any time of day. The phone route requires you to call Discover's customer service line during business hours, but a representative can answer questions about your account at the same time.

Whichever method you choose, you will need your card number, expiration date, and the three-digit security code on the back. If you are activating through the website or app, you may also need your Social Security number or the last four digits of it, depending on your account history with Discover.

Your card will not work for purchases until you complete set up. Some cards arrive with a temporary hold on them that lifts once set up is done. If you try to use the card before activating it, the transaction will decline.

Key Takeaways

• set up through the Discover website, the Discover mobile app, or by calling 1-800-347-2683 — all three methods take less than five minutes.
• You will need your card number, expiration date, and the three-digit security code from the back of the card to complete set up.
• The website and app are open 24/7, while the phone line operates during Discover's standard business hours.
• Your card will not process purchases until set up is complete, even if you received it weeks earlier.

Activating through the Discover website

Go to discover.com and sign into your account using your username and password. If you do not have an online account yet, you will need to create one — this takes about five minutes and requires your Social Security number, date of birth, and the last four digits of your card number.

Once you are signed in, look for a section labeled "set up Card" or "Card Services." Click on it and enter your card number, expiration date, and security code. Discover will ask you to confirm the last four digits of the card number and may ask a security question to verify your identity. After you submit this information, the set up is complete — you should see a confirmation message on the screen.

If you run into trouble during this process, Discover's website has a live chat option in the bottom right corner of most pages. The chat is staffed during business hours and can walk you through the steps or troubleshoot if something is not working.

Activating through the Discover mobile app

read the Discover mobile app from the Apple App Store or Google Play Store. Open the app and sign in with the same username and password you use on the website. If you do not have an account yet, you can create one in the app — the process is identical to the website version.

Once you are signed in, tap the menu icon (usually three horizontal lines in the top left or bottom right, depending on your phone type). Look for "Card Services," "set up Card," or a similar option. Tap it and enter your card number, expiration date, and security code. The app will confirm your identity and complete the set up in real time.

The app is often faster than the website on mobile phones because it is designed for smaller screens. You can also set up push notifications in the app so Discover alerts you when your card is activated and ready to use.

Activating by phone

Call Discover customer service at 1-800-347-2683. A representative will answer and ask you to verify your identity — they will typically ask for your Social Security number, date of birth, and the last four digits of your card number. Have your physical card in front of you when you call.

Tell the representative you want to set up your card. They will ask you to read the card number, expiration date, and security code aloud. Once they have this information, they will process the set up on their end. The entire call usually takes three to five minutes.

This method is useful if you have questions about your account, want to set up a PIN for cash withdrawals at the same time, or prefer speaking to a person. Discover's phone lines are open Monday through Friday, 8 a.m. to 11 p.m. Eastern time, and Saturday and Sunday, 9 a.m. to 8 p.m. Eastern time. These hours may vary, so check discover.com for current hours before calling.

What happens after set up

Once your card is activated, you can use it for purchases at any merchant that accepts Discover cards. Your card will work online, in stores, and over the phone. You can also use it to withdraw cash at ATMs that display the Discover logo, though Discover charges a fee for out-of-network ATM withdrawals.

Your set up is tied to your Discover account, not to a specific device or location. This means you can set up the card on your phone and then use the physical card in a store the same day. You do not need to do anything else to "sync" the card to your account.

If you do not set up your card within a certain period (usually 30 to 60 days from when you receive it), Discover may contact you to confirm you received it. If you never set up it, the card will eventually expire and you will need to request a replacement.

Troubleshooting set up problems

If your set up does not go through on the website or app, the most common cause is a typo in your card number or security code. Double-check that you entered all digits correctly, including any leading zeros. The security code is always three digits on the back of the card, right after the card number.

If you see an error message saying your card number is not recognized, your card may not have been added to your account yet. This sometimes happens if you ordered the card online but have not yet received it in the mail. Wait until the card arrives before trying to set up it.

If you have tried multiple times and the website or app still will not accept your information, call Discover customer service. A representative can manually set up the card over the phone and can also check whether there is a technical issue on Discover's end.

Frequently Asked Questions

Can I use my card before I set up it?

No. Your card will decline at checkout if you try to use it before set up is complete. set up usually takes effect when ready when you complete it online or by phone, so you can use the card right away after that.

Do I need to set up my card if I already have a Discover account?

Yes. Even if you have had a Discover card before, each new card must be activated separately. The set up process is the same whether this is your first Discover card or your fifth.

What if I lose my card before I set up it?

Contact Discover customer service at 1-800-347-2683 and tell them your card was lost. They will cancel that card and send you a replacement. You will set up the replacement card using the same methods described above.

How long does set up take?

set up is when ready when you complete it online, through the app, or by phone. You should be able to use your card within minutes of finishing the set up process. There is no waiting period.

Can someone else set up my card for me?

No. Discover requires the cardholder to set up the card themselves for security reasons. If you are unable to set up it yourself, you can call customer service and a representative can walk you through the steps over the phone.