Ireland IBAN Validator & Format Checker
Validate and decode any Ireland International Bank Account Number (IBAN). Test the structure against the official format mask, check digits, and run an offline bank lookup.
Ireland IBAN Structure Rules
Every International Bank Account Number in Ireland follows a standardized format registry layout:
| Country Code | IE (Ireland) |
| Total Length | 22 characters |
| SEPA Member | Yes (SEPA Member) |
| Structure Format Mask | IE71 1234 1234 5678 9012 34 |
| BBAN Regex Pattern | ^[A-Z0-9]{4}[0-9]{14}$ |
| Bank Code Range | Characters 5 to 8 (4 digits) |
| Branch Code Range | Characters 9 to 14 (6 digits) |
| Account Number Range | Characters 15 to 22 (8 digits) |
Frequently Asked Questions
How long is a Ireland IBAN?
A Ireland IBAN consists of exactly 22 characters. It starts with the country code 'IE', followed by two check digits, and then the Basic Bank Account Number (BBAN).
What is the format of a Ireland IBAN?
The official format mask for a Ireland IBAN is 'IE71 1234 1234 5678 9012 34'. The BBAN component matches the structure pattern '^[A-Z0-9]{4}[0-9]{14}{{FAQ_ACCORDION}}#039;.
Does Ireland participate in SEPA?
Ireland is a member of the Single Euro Payments Area (SEPA). Euro payments can be processed under SEPA rules.
How do I decode a Ireland IBAN?
A Ireland IBAN can be decoded into: the country code 'IE' (characters 1-2), check digits (characters 3-4), and the domestic bank account identifier containing the bank identifier (characters 5-8), and branch code (characters 9-14), and account number (characters 15-22).