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SEPA Country
Ireland IBAN Format: Structure, Length & Example
IBAN Length
A Ireland IBAN is always exactly 22 characters.
22
characters
IE
Country Code
4a+6n+8n
Structure
Visual IBAN Breakdown
Breakdown of the IBAN segments:
IE
Country Code
29
Check Digits
AIBK93115212345678
BBAN (18 chars)
BBAN Structure
The Ireland BBAN (Basic Bank Account Number) has the following structure:
| Segment | Type | Position |
|---|---|---|
| IE | Country Code | 1–2 |
| KK | Check Digits | 3–4 |
| 4a | Alphabetic | 5–8 |
| 6n | Numeric | 9–14 |
| 8n | Numeric | 15–22 |
Formatting Rules
- •IBAN must be uppercase.
- •Electronic format: no spaces (e.g., IE29AIBK93115212345678).
- •Paper format: groups of 4 characters separated by spaces.
- Paper format example:
IE29 AIBK 9311 5212 3456 78