Calculate IBAN

IBAN Calculator

Mandatory fields are marked with an asterisk (*)

To find out your IBAN number with ease, please complete the form below.

National Sort Code (NSC):
- -


This IBAN calculator is provided to assist customers generate their IBAN numbers and is based on correct input of both the National Sort Code and bank account details. If incorrect details are supplied, the calculator will generate an incorrect IBAN. Customers must ensure the details entered are correct and use this IBAN generator at their own risk. Bank of Ireland accepts no responsibility or liability arising in respect to any IBAN generated and used where incorrect details have been provided by the customer.

Help & Support

Help & Support