An IBAN Validator




This validator may be used to check and/ or validate an International Bank Account Number or IBAN.

The format of an IBAN is AACCX...X which is made up as follows

AAA Country Identifier. This is a two character ISO Country Code.
CCCheck digits, also taking up two characters. These are calculated using the MOD 97-10 algorithm according to ISO 7064.
  X...X   The Basic Bank Account Number (BBAN) which may be up to 30 characters in length.

Full details about IBANs can be found in the IBAN Registry maintained by SWIFT. (This is a .pdf document).

As well as calculating the Check Digits this validator makes a number of other checks.


This IBAN validator is copyright © Maric Services Ltd 2008-2016 and may not be copied without express written permission. It is supplied “as is” as a service to the SEPA community. However, Maric Services Ltd accepts no responsibility for its accuracy or for any loss consequent to its use.

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