Luxembourg IBAN format
| Country code | LU |
|---|---|
| IBAN length | 20 characters (2 country letters, 2 check digits, 16-character BBAN) |
| Structure | LUkk bbbc cccc cccc cccck = check digits, b = bank code, s = branch/sort code, c = account number, x = national check digits or other |
| Registry BBAN format | 3!n13!c (e.g. 8!n = exactly 8 digits; a = letters; c = letters or digits) |
| Format example | LU06 1234 5678 9012 3456Illustrative only: right structure and valid check digits, not a real account. |
| SEPA | Yes – Luxembourg is part of the SEPA area, so you can send euro SEPA credit transfers to these IBANs. |
What the parts mean
| Positions | Characters | Meaning |
|---|---|---|
| 5–7 | 3 digits | Bank code |
| 8–20 | 13 letters or digits | Account number |
Paying an IBAN in Luxembourg
Within the EEA, SEPA payments need only the IBAN; the BIC is optional. Accounts are usually in euro.
Writing the IBAN in groups of four (LU06 1234 …) is the usual print format; online banking and payment files use it without spaces.
Paying many Luxembourg IBANs in euro? Create a SEPA XML file from Excel – every IBAN is checked as above.