IBAN Validator
Validate IBAN numbers and break down country, bank, and account details.
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FAQ
- What is an IBAN?
- An IBAN (International Bank Account Number) is a standardised way to identify a bank account internationally. It begins with a 2-letter country code, followed by 2 check digits, and then a bank-specific account identifier (BBAN). The format and length vary by country.
- How does IBAN validation work?
- Validation follows three steps: check the country code is recognised, verify the IBAN length matches the country's expected length, and verify the check digits using the mod 97 algorithm (move the first 4 characters to the end, convert letters to numbers, and check that the result mod 97 equals 1).
- Does this validate that the account actually exists?
- No. This tool validates the structure and checksum of the IBAN. A structurally valid IBAN may still correspond to a closed or non-existent account. Only a bank or payment processor can confirm whether an account is active.
Validate any International Bank Account Number (IBAN) using the ISO 13616 standard. Checks the country code, expected length per country, and verifies the check digits using the mod 97 algorithm. Breaks down the IBAN into its components: country code, check digits, bank identifier, and account number.