Frequently Asked Questions

An IBAN (International Bank Account Number) is a standardized format for identifying bank accounts across international borders. It uniquely identifies an account at a specific financial institution in a particular country. IBANs are used to facilitate international money transfers and reduce errors in cross-border payments.

You can find your IBAN in several ways: (1) Check your online banking account or mobile app, usually in the account details section; (2) Look at your bank statement - many banks include the IBAN at the top; (3) Use your bank's IBAN calculator if available; (4) Contact your bank directly by phone or in branch.

An IBAN identifies a specific bank account, while a SWIFT/BIC code identifies the bank itself. Think of it this way: the SWIFT code is like the street address of a bank, while the IBAN is the specific apartment number. For international transfers, you typically need both - the SWIFT code routes the payment to the right bank, and the IBAN identifies the specific account within that bank.

IBAN is used in over 80 countries, primarily in Europe, the Middle East, and parts of Africa and the Caribbean. All SEPA (Single Euro Payments Area) countries use IBAN. Notable countries include Germany (DE), France (FR), United Kingdom (GB), Spain (ES), Italy (IT), and most EU nations. Countries like the United States, Canada, Australia, and India do not use IBAN.

IBANs vary in length by country, ranging from 15 to 34 characters. For example, Norway has the shortest at 15 characters, while Malta has the longest at 34 characters. Most European countries (including UK, Germany, France) use 22 characters. The format is always: 2-letter country code + 2 check digits + up to 30 alphanumeric characters (the BBAN).

IBAN validation uses the MOD-97 algorithm (ISO 7064). The process: (1) Move the first 4 characters to the end; (2) Convert letters to numbers (A=10, B=11, etc.); (3) Interpret the resulting string as a decimal number; (4) Calculate the remainder when divided by 97. If the remainder equals 1, the IBAN is valid. This algorithm catches over 99% of transcription errors.

If the IBAN format is invalid (failed validation check), most banks will reject the payment before processing. If the format is valid but doesn't match a real account, the payment may be rejected or returned. However, if the IBAN matches a real account at the bank (even if it's the wrong person's account), the payment may go through. Always double-check the IBAN with the recipient to avoid sending money to the wrong account.

While you can use an IBAN calculator to generate an IBAN from your domestic account details, it's not recommended to create one yourself. The safest approach is to get your official IBAN directly from your bank - either through online banking, your bank statement, or by contacting customer service. Generated IBANS may not work if they don't match your bank's actual format.

No, the United States does not use IBAN. For international transfers to or from the US, you typically provide the recipient's US account number and routing number (ABA), plus a SWIFT/BIC code for the receiving bank. If sending money to an IBAN country, you'll need the recipient's IBAN, but US domestic transfers don't use IBAN format.

While all IBANs follow the same structure (country code + check digits + BBAN), the BBAN format varies by country. For example: UK (GB) has 22 characters including sort code and account number; Germany (DE) has 22 characters with bank code and account number; France (FR) has 27 characters with bank code, branch code, and account number. Each country's specific format is defined in the SWIFT IBAN Registry.

Countries that don't use IBAN include: United States, Canada, Australia, India, China, Japan, Singapore, Hong Kong, and most countries in Asia, Africa, and South America. These countries use alternative systems like routing numbers (US), transit numbers (Canada), or IFSC codes (India) for domestic transfers, and SWIFT codes for international payments.

No, IBAN is not only for Europe, though Europe is the main region using it. IBAN is also used in parts of the Middle East (UAE, Saudi Arabia, Qatar, Kuwait), some African countries (Tunisia, Mauritania, Mauritius), and Caribbean nations. However, the majority of IBAN adoption is in Europe, particularly within the SEPA zone where IBAN is mandatory for euro transfers.