How to activate a credit, debit or prepaid card

The four ways to activate a new card

Every issuer blocks a new card until you confirm you received it. That step — activation — protects you if the card is stolen in the mail. Most issuers now offer at least three of these routes; the guides above list exactly which ones your issuer supports.

1. Online. Sign in to your account on the issuer's official website and choose the option to activate a new card, or use the activation page printed on the sticker. You will enter the card number, expiry date and usually the security code.
2. In the mobile app. The fastest route for most people: the app typically detects the new card after you sign in and asks you to confirm it, sometimes by scanning the card or tapping it to your phone.
3. By phone. Call the activation number on the sticker on the front of the card and follow the automated prompts. You will be asked to verify your identity — often the last four digits of your Social Security number (US) or your date of birth (Canada), or your ZIP or postal code.
4. First use. Some debit cards, prepaid cards and replacement credit cards activate automatically the first time you make a chip-and-PIN purchase or ATM withdrawal. Check the sticker before assuming this applies to you.

What to have ready

• The new card itself — you will need the card number, expiry date and the security code on the back.
• Your online banking login, if you are activating online or in the app.
• Identity details the issuer has on file: typically the last four digits of your SSN or SIN, your date of birth, and your billing ZIP or postal code.
• For a debit or prepaid card, a PIN you want to set — many issuers let you choose it during activation.

How long you have to activate

There is no universal deadline, but do it as soon as the card arrives. An unactivated card cannot be used, and some issuers cancel cards — or flag the account — if a new card is not activated within a few months. If you received a replacement card because the old one is expiring, the old card usually keeps working until it expires or until you activate the new one, whichever comes first.

Does activating a card affect your credit score?

No. Activation is not a credit application and does not trigger a hard inquiry — that happened when you applied. Leaving a new credit card unactivated does not stop the account from appearing on your credit report either, so if you do not want the account, call the issuer and close it rather than simply ignoring the card.

After you activate

• Sign the back of the card and destroy the old one (cut through the chip) once the new card works.
• Update any subscriptions, autopay and saved payment details — a replacement card often has a new number or expiry date.
• Add the card to Apple Pay, Google Pay or Samsung Wallet if you use them, and switch on transaction alerts in the app.
• Check the credit limit, APR and any welcome-offer spending deadline in your account.

Card activation scams to watch for

Criminals exploit the activation step because people expect to hear from their bank when a new card arrives. Treat every unexpected contact as suspicious:

• Look-alike websites and phone numbers. Search results and social media posts sometimes list fake "activation lines". Only use the number on your card or sticker, and type the issuer's web address yourself.
• "Your card is blocked" texts. A message with a link asking you to "verify" or "reactivate" a card is almost always phishing.
• Requests for a one-time passcode or your PIN. A real bank will never call you and ask you to read out a code it has just texted you, or ask for your full PIN.
• Third-party activation services. There is no legitimate reason to give your card number to anyone other than the issuer to activate it. This site links only to official issuer pages and never asks for card details.

If you think you shared card details with a scammer, call the number on the back of your card immediately to freeze or replace it.

Troubleshooting a new card

• How to Activate a Credit Card Without the Sticker — Lost or never got the activation sticker? How to activate your credit card through the issuer's app, website or the numb…
• New Credit Card Not in Your App or No PIN? What to Do — Why a new or replacement credit card doesn't appear in your banking app, and how to get a PIN if one never arrived, with…
• How Long Do You Have to Activate a New Credit Card? — There's no single deadline to activate a new credit card. Typical windows, what happens if you never activate it, and wh…
• Card Activation Call or Text: How to Tell If It's a Scam — Scammers call and text pretending to help activate your new card. How to tell real activation from a scam, and what to d…