Ireland IBAN
Runs in your browser. What you type is not sent or stored.
Your bank’s statement is the binding source of your IBAN. Calculated from the SWIFT IBAN Registry, updated September 17, 2026. Not a service of any bank. · Disclaimer
An IBAN from Ireland has 22 characters. Enter the bank code, sort code (NSC) and account number above to calculate one, or switch to “Check” to test an IBAN you have.
How an IBAN from Ireland is built
The registry’s example, IE29 AIBK 9311 5212 3456 78, split into its parts:
- CountryIE
- Check digits29
- Bank codeAIBK
- Sort code931152
- Account number12345678
| Part | Positions | Format | In the example |
|---|---|---|---|
| Country | 1–2 | 2 letters | IE |
| Check digits | 3–4 | 2 digits | 29 |
| Bank code | 5–8 | 4 letters | AIBK |
| Sort code | 9–14 | 6 digits | 931152 |
| Account number | 15–22 | 8 digits | 12345678 |
What the parts are called in Ireland
An Irish IBAN has 22 characters, built like a British one: IE, check digits, a 4-letter bank code, the 6-digit sort code (NSC) and an 8-digit account number.
Ireland uses the euro and is in SEPA, so an Irish IBAN is all you need for a euro transfer from another SEPA country.
The check digits of IE29 AIBK 9311 5212 3456 78
- Move the first four characters to the end: AIBK93115212345678IE29
- Replace each letter by a number (A = 10, B = 11 … Z = 35): 1018112093115212345678181429
- Divide that number by 97. The remainder is 1; a valid IBAN always leaves 1.
- To calculate the check digits instead, put 00 in their place: the remainder is 69, and 98 − 69 = 29.
Registry facts
- SEPA
- yes (per SWIFT IBAN Registry)
- IBAN also used in
- —
- IBAN in use since
- April 2007
- Format last updated
- August 2016
- Registered by
- Banking & Payments Federation Ireland
Questions people ask
How many characters does an IBAN from Ireland have?
22: the country code, 2 check digits and a 18-character national number (4 letters + 6 digits + 8 digits).
Is an Irish IBAN the same length as a UK one?
Yes, 22 characters with the same layout; only the country code and bank codes differ.
What is the NSC?
The National Sort Code, the Irish name for the 6-digit branch code.