Ireland IBAN Format
Ireland IBANs are 22 characters and start with IE. Paste one below to check its length and MOD-97 checksum.
Enter an IBAN to check its country, length and MOD-97 checksum.
Note This checks that the IBAN is well-formed — correct country, correct length and a valid checksum. It cannot confirm that the account actually exists or belongs to a particular person. Always confirm payment details with the recipient.
How a Ireland IBAN is built
IrelandIBAN & VAT reference
| Country code | IE |
|---|---|
| IBAN length | 22 characters |
| Example | IE29 AIBK 9311 5212 3456 78 |
| SEPA member | Yes |
| VAT prefix | IE |
| VAT / tax number | IE + 8 or 9 characters (digits and letters) |
How to check a Ireland IBAN
- 01 Paste the IBAN into the box above — spaces and lower-case are fine, they are normalised for you.
- 02 The checker confirms it starts with IE, is 22 characters, and passes the MOD-97 checksum.
- 03 A valid IBAN is shown formatted in groups of four; any failed check is called out so you know what to fix.
Frequently asked questions
What is the IBAN format for Ireland?
A Ireland IBAN is 22 characters long. It starts with the country code "IE", followed by 2 check digits and the BBAN — 4-letter bank code + 6-digit sort code + 8-digit account. Example structure: IE29 AIBK 9311 5212 3456 78 (a sample, not a real account).
How long is a Ireland IBAN?
Exactly 22 characters, including the "IE" country code and the 2 check digits. This length is fixed by the ISO 13616 registry and is the same for every Ireland bank.
What is the VAT number format for Ireland?
Ireland VAT numbers use the prefix "IE": IE + 8 or 9 characters (digits and letters). The VAT number is separate from the IBAN — one identifies the business for tax, the other identifies the bank account.
Does this Ireland IBAN checker upload my data?
No. The validator checks the country code, the 22-character length and the MOD-97 checksum entirely in your browser. Nothing you paste is sent anywhere.