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SEPA Country
Luxembourg IBAN Format: Structure, Length & Example
IBAN Length
A Luxembourg IBAN is always exactly 20 characters.
20
characters
LU
Country Code
3n+13c
Structure
Visual IBAN Breakdown
Breakdown of the IBAN segments:
LU
Country Code
28
Check Digits
0019400644750000
BBAN (16 chars)
BBAN Structure
The Luxembourg BBAN (Basic Bank Account Number) has the following structure:
| Segment | Type | Position |
|---|---|---|
| LU | Country Code | 1–2 |
| KK | Check Digits | 3–4 |
| 3n | Numeric | 5–7 |
| 13c | Alphanumeric | 8–20 |
Formatting Rules
- •IBAN must be uppercase.
- •Electronic format: no spaces (e.g., LU280019400644750000).
- •Paper format: groups of 4 characters separated by spaces.
- Paper format example:
LU28 0019 4006 4475 0000