Your account number appears in three places: your physical card, your monthly statement, and your online account

The easiest place to find your American Express account number is on the front of your card itself. Look at the raised numbers printed on the card face — the 15-digit number is your account number. If you have your card in front of you right now, that's your answer.

If your card is lost, stolen, or you simply don't have it handy, you can find the same number on your billing statement. Open any monthly statement from American Express — whether you received it by mail or downloaded it from your account — and look for the account number printed near the top of the page, usually on the right side next to your name and address.

You can also log into your American Express online account or mobile app. Once you're signed in, your account number displays on the account overview page, often labeled as "Account Number" or "Card Number." The app typically shows it on the dashboard or in the account settings section.

Key Takeaways

  • Your American Express account number is the 15-digit number printed on the front of your physical card.
  • If you don't have your card, check any recent billing statement — the account number appears near the top of the page.
  • You can view your account number by logging into your American Express online account or opening the mobile app.
  • The account number and card number are the same thing on an American Express card, unlike some other card issuers.

Finding your number on your physical card

On the front of your American Express card, you'll see a series of raised numbers. The 15-digit number is your account number. This is the primary identifier for your account and the number you'll use when making purchases, paying your bill, or contacting American Express customer service.

The number is embossed (raised) so it can be read by older card readers and imprinted on receipts. It's the same number whether you're looking at a personal card, a business card, or a corporate card — the format is always 15 digits for American Express.

Locating it on your statement

Every billing statement American Express sends you includes your account number. Open the statement and look at the top right corner of the first page. You'll see your name, address, and account number printed together. The account number is usually formatted as a 15-digit number, sometimes with spaces or dashes between groups of digits for readability.

If you receive statements by mail, keep at least one recent statement in a safe place for this reason — you can always reference it if you need your account number and don't have your card. If you've switched to paperless statements, you can download any past statement from your online account and find the number there.

Accessing it through your online account

Log into your American Express account at americanexpress.com using your username and password. Once you're signed in, your account number appears on the main account overview page. On the desktop version, it's typically displayed prominently near your name and current balance. On the mobile app, swipe to the account details section or look for a menu option labeled "Account Information" or "Card Details."

If you've forgotten your login credentials, you can reset your password using your email address or phone number associated with the account. American Express will send you a reset link or verification code. Once you regain access, your account number is immediately visible.

What to do if you can't find your number

If you've lost your card, don't have a statement handy, and can't access your online account, call American Express customer service. The phone number is on the back of any American Express card, or you can search for "American Express customer service" to find the current number. Have your name, address, and date of birth ready when you call — the representative will verify your identity and provide your account number.

You can also visit an American Express office in person if there's one near you. Bring a photo ID and proof of address, and a representative can look up your account number for you. This is slower than calling or checking online, but it's an option if you prefer face-to-face service.

Understanding the difference between account number and other card numbers

On an American Express card, the 15-digit number on the front is both your account number and your card number — they're the same thing. This is different from Visa or Mastercard, where the card number and account number may be different. When American Express asks for your "account number," they mean the 15-digit number on your card.

Don't confuse your account number with other numbers on or related to your card. The three-digit security code on the back (called the CID) is separate. If you have multiple American Express cards linked to the same account, each card has its own 15-digit number, but they all draw from the same underlying account.

Keeping your account number secure

Your account number is sensitive information — treat it like you would your Social Security number. Don't share it over email, text, or phone unless you initiated the contact and you're certain you're speaking to American Express. Scammers sometimes call claiming to be from American Express and ask for your account number; American Express representatives will never ask for this information unsolicited.

When you need to provide your account number to a merchant or service provider, make sure you're on a secure website (look for "https" in the URL and a lock icon in your browser). If you're paying a bill by phone, call the biller directly using a number from your statement or their official website, not a number from an email or text message.

Frequently Asked Questions

Is my account number the same as my card number?

Yes. On American Express cards, the 15-digit number on the front of your card is both your account number and your card number. They are the same thing. Other card issuers sometimes separate these, but American Express does not.

What if I have multiple American Express cards?

Each card has its own 15-digit number, so each card has a different account number. However, they may all be linked to the same underlying account or billing relationship. When you need to reference a specific card, use that card's 15-digit number.

Can I find my account number if my card is expired?

Yes. Check any old statement from when the card was active — the account number is printed there. You can also log into your online account; even if the card has expired, the account number remains the same and is visible in your account details.

What should I do if my card is lost or stolen?

Call American Express immediately at the number on the back of another card or from your statement. They will cancel the card and issue a replacement. Your account number stays the same, but your new card will have a different 15-digit number. Report the loss before using the card to prevent unauthorized charges.

Why do I need my account number?

You'll need your account number to pay your bill by phone or mail, to set up automatic payments, to contact customer service, or to authorize transactions over the phone. Some merchants also ask for it when processing payments. It's the primary way American Express identifies your account.