An IBAN is a standardized account number that lets banks outside the US identify and route money to your account

An International Bank Account Number (IBAN) is a string of letters and numbers—typically 15 to 34 characters long—that identifies a specific bank account in a specific country. It was created so that banks in different countries could send and receive money to each other without confusion. When you receive a refund, tax payment, or other money from outside the United States, the sender often needs your IBAN to know exactly where to send it.

The IBAN includes your country code, a check digit for verification, your bank's routing code, and your account number, all in one standardized format. For example, a UK IBAN might look like GB82 WEST 1234 5698 7654 32, while a German one might be DE89 3704 0044 0532 0130 00. The format changes by country, but the purpose stays the same: it removes the guesswork from international transfers.

If you live outside the US and are waiting for a refund from a US tax authority, insurance company, or business, you may be asked for your IBAN instead of a US bank routing number and account number. This is especially common if you have a bank account in Europe, Canada, Australia, or most other developed countries.

Key Takeaways

  • An IBAN is required by most non-US banks to receive international money transfers, and many US-based refund programs now ask for it when paying people abroad.
  • Your IBAN is printed on your bank statements or available through your bank's online portal; you do not need to request a special document.
  • The IBAN format varies by country, so a UK IBAN looks different from a French or Australian one, but all serve the same purpose.
  • Some US refund programs still use the older SWIFT code and correspondent banking method instead of IBAN, so confirm which method your sender accepts before providing your details.

How to find your IBAN

Your IBAN is usually printed on your bank statements, typically at the top or bottom of the page. If you bank online, log into your account and look for a section labeled "Account Details," "My Accounts," or "Account Information"—your IBAN will be listed there alongside your account number and sort code (or routing number).

If you cannot find it online or on paper, contact your bank directly by phone, email, or through their customer service portal. Most banks can provide your IBAN within minutes. Write it down exactly as your bank gives it to you, including all spaces and capital letters, because even a single character wrong will cause the transfer to fail or be rejected.

Do not guess at the format or rearrange numbers. Banks are strict about IBAN accuracy, and a malformed IBAN will either bounce the payment back or send it to the wrong account entirely.

IBAN versus SWIFT codes and other routing methods

The IBAN is one way to route international money, but it is not the only one. Some organizations still use a SWIFT code (also called a BIC code) combined with your account number and bank name. A SWIFT code is shorter—usually eight or eleven characters—and identifies the bank itself, not the specific account. For example, DEUTDEDD is the SWIFT code for Deutsche Bank in Germany.

When a US refund program or insurance company asks how you want to be paid, they may offer you a choice: IBAN, or SWIFT code plus account details. IBAN is faster and more reliable because it includes all the routing information in one number. SWIFT transfers sometimes require an intermediary bank, which adds time and can result in fees being deducted from your refund.

If you are given a choice, IBAN is usually the better option. If the sender only accepts SWIFT, your bank can provide that code as well—it is the same for all accounts at that bank.

What information you should and should not share

Your IBAN is safe to share with anyone who needs to send you money. It is not a secret like a password or PIN. Banks, refund processors, and payment services routinely ask for IBANs, and sharing yours does not put your account at risk of unauthorized withdrawal.

However, be cautious about where you share it. Only provide your IBAN to organizations you recognize and trust—the tax authority, your insurance company, your employer, or a refund processor you contacted yourself. Do not share it in response to unsolicited emails or messages claiming to be from a government agency or bank.

Your IBAN alone cannot be used to withdraw money from your account. The sender can only deposit funds; they cannot pull money out. Your bank's security systems and your own login credentials are what protect your account from unauthorized access.

Common reasons refund programs ask for an IBAN

If you are waiting for a tax refund, stimulus payment, insurance payout, or business refund and the organization asks for your IBAN, it is because you listed a non-US address on your claim or application. Government agencies and large companies have moved toward IBAN for international payments because it is faster and more reliable than older methods.

The US Internal Revenue Service, for example, can send refunds to foreign bank accounts using IBAN, though they may also accept SWIFT codes. State tax agencies, insurance companies, and refund processors vary in what they accept, so always ask the organization directly which method they prefer before you submit your banking details.

If an organization asks for your IBAN and you do not have one—for example, if you use a money transfer service instead of a traditional bank—contact them to ask what alternatives they accept. Some will allow you to provide a US bank account instead, or they may offer a check mailed to your address.

What happens after you provide your IBAN

Once you submit your IBAN to a refund program or payment processor, the organization will verify it against their banking partner's records. This verification step usually takes a few business days. If your IBAN is correct, the organization will schedule the transfer.

International transfers typically take three to five business days to arrive in your account, though some can take up to ten days depending on your bank and the country involved. You should receive a confirmation email or letter with a reference number once the transfer has been initiated. Keep this reference number in case you need to track the payment or contact your bank about a delayed transfer.

If the transfer does not arrive within the stated timeframe, contact the organization that sent it first—they can confirm whether the payment was actually sent and provide you with the transfer reference. If they confirm it was sent, contact your bank with the reference number and ask them to investigate on their end.

Frequently Asked Questions

Can someone steal money from my account if they have my IBAN?

No. An IBAN only allows money to be deposited into your account, not withdrawn. Your bank's security systems and your login credentials are what protect your account from unauthorized access. You can safely share your IBAN with anyone who needs to send you money.

What if I provide my IBAN and the refund never arrives?

Contact the organization that was supposed to send the payment and ask for the transfer reference number and the date it was sent. Provide this information to your bank and ask them to investigate. International transfers can take up to ten business days, so wait at least that long before assuming something went wrong.

Do I need an IBAN if I have a US bank account?

Not usually. US banks use routing numbers and account numbers instead of IBANs. However, if your US bank participates in international transfers, they may be able to provide an IBAN upon request. Ask your bank if you are unsure.

Is my IBAN the same as my account number?

No. Your IBAN includes your account number plus your bank's routing code, your country code, and a check digit. The IBAN is longer and more detailed than your account number alone.

What if my bank says they do not have an IBAN?

Most banks outside the US issue IBANs, but a few smaller institutions or money transfer services may not. If your bank cannot provide an IBAN, ask them what alternative routing method they use for international transfers—they may offer a SWIFT code instead, or they may direct you to use a different service for receiving international payments.