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Send Money with WiseAn IBAN (International Bank Account Number) is a standardized international numbering system that identifies bank accounts across borders. It consists of up to 34 alphanumeric characters: 2-letter country code + 2 check digits + domestic account number (BBAN).
| IBAN Component | Length | Purpose | Example |
|---|---|---|---|
| Country Code | 2 letters | Identifies the country | GB (United Kingdom) |
| Check Digits | 2 numbers | Validates the IBAN | 29 |
| Bank Code | 4 characters | Identifies the bank | NWBK (NatWest) |
| Account Number | Up to 30 characters | Identifies the specific account | 601613319268919 |
An IBAN (International Bank Account Number) is a standardized international numbering system that identifies bank accounts across borders. It consists of up to 34 alphanumeric characters, including a country code, check digits, and bank-specific information.
Why it matters: IBANs help prevent transaction errors, speed up international transfers, and support compliance with international banking standards.
To validate an IBAN:
Our validator supports 89+ countries and provides an immediate format and checksum check.
An IBAN has four main components:
Example: GB29 NWBK 6016 1331 9268 19
IBANs are used in 89+ countries worldwide, including countries in Europe, the Middle East, the Caribbean, and other regions.
IBAN: identifies a specific bank account using the national account-number format.
SWIFT/BIC: identifies a bank or financial institution.
For an international transfer, you may need both: the IBAN for the account and the SWIFT/BIC code for the receiving bank.