IBAN format in Luxembourg (LU)
An IBAN in Luxembourg is 20 characters long and starts with LU. A valid example: LU28 0019 4006 4475 0000. Luxembourg participates in SEPA.
IBAN structure in Luxembourg
| Positions | Meaning | Length | Charset | In the example |
|---|---|---|---|---|
| 1–2 | Country code | 2 | uppercase letters | LU |
| 3–4 | Check digits (IBAN) | 2 | digits | 28 |
| 5–7 | Bank code | 3 | digits | 001 |
| 8–20 | Account number | 13 | alphanumeric | 9400644750000 |
SEPA status
Luxembourg participates in SEPA — euro transfers arrive like domestic ones (usually within 1 business day, no international-wire fees).
How do I check an IBAN?
Paste the number into the IBAN validator — it checks the MOD-97 checksum and the registered Luxembourg length instantly, fully in your browser.
Check an IBAN for free →IBAN formats in other countries
FAQ — IBAN in Luxembourg
How many characters does an IBAN in Luxembourg have?
A Luxembourg IBAN is exactly 20 characters: it starts with "LU", followed by 2 check digits and a 16-character national part (BBAN).
What does a Luxembourg IBAN look like?
A valid example IBAN for Luxembourg: LU28 0019 4006 4475 0000. This is the official sample from the IBAN registry — real accounts follow the same structure.
Is Luxembourg in SEPA?
Luxembourg participates in SEPA — euro transfers arrive like domestic ones (usually within 1 business day, no international-wire fees).
Where can I check an IBAN from Luxembourg?
Use the free svcs.bg IBAN validator — it checks the MOD-97 checksum and the registered Luxembourg length right in your browser; the number is never sent to a server.
What is inside a Luxembourg IBAN?
After "LU" and the 2 check digits come: the bank code (3 digits), the account number (13 alphanumeric).
The example IBAN is the official sample from the public IBAN registry (ISO 13616) and passes the MOD-97 check — it is not a real bank account.