IBAN – Check digit tools

International Bank Account Number – Wikipedia

The International Bank Account Number (IBAN) is an international, standardized notation for bank account numbers. It is described by the ISO standard ISO 13616-1:2020.

The IBAN is composed as follows:

  • 2-digit country code according to ISO 3166-1 (consisting of capital letters)
  • 2-digit checksum with check digits in accordance with ISO 7064 (consisting of digits)
  • Maximum 30-digit account identification (consisting of the letters A-Z or digits)

GC Wizard offers the following check digit tools for IBANs

Checking the validity of an IBAN

Calculate the check digit of an IBAN

Calculate missing digits of an IBAN

If the IBAN is correct, further details are displayed.

If the IBAN is not correct, possible correct IBANs are calculated.