Luxembourger IBAN Format & IBAN Structure Example

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The Luxembourg IBAN format consists of a two-letter country code, two check digits and a Basic Bank Account Number (BBAN). The BBAN includes information about the domestic bank and account number. Below you'll find examples for Luxembourger IBAN numbers, format, structure, bank account breakdown, and the Luxembourg IBAN technical specification.

IBAN example in Luxembourg

Standard IBANLU280019400644750000
IBAN print formatLU28 0019 4006 4475 0000
Country codeLU
Checksum digits28
Bank code001
Account number9400644750000
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IBAN structure in Luxembourg

A Luxembourger IBAN consists of 20 alpha-numeric characters:

  • 2 letter country code
  • 2 digit checksum number
  • 3 characters from the bank's SWIFT / BIC or bank identification number
  • 13 digit code for the bank account number

Luxembourger IBAN codes contain all the country, bank, and account details required to send or receive money internationally.

Luxembourger banks assign IBAN codes to each individual account to make sure that international transfers are processed correctly.

IBAN codes are used throughout Europe, and also accepted in some areas of the Middle East, North Africa and the Caribbean.

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Luxembourger IBAN Technical Specification

Data ElementDescription - Pattern - Example
Name of countryLuxembourg
IBAN prefix country code (ISO 3166)LU
Country code includes other countries/territoriesN/A
SEPA countryYes
SEPA country also includesN/A
Domestic account number exampleN/A
BBAN
BBAN structure3!n13!c
BBAN length16
Bank identifier position within the BBAN1-3
BBAN example0019400644750000
IBAN
IBAN structureLU2!n3!n13!c
IBAN length20
Effective dateApr-07
IBAN electronic format exampleLU280019400644750000
IBAN print format exampleLU28 0019 4006 4475 0000
Contact Details
OrganisationABBL - Association des Banques et Banquiers Luxembourg
Street AddressBoite Postale 13
City / PostcodeL-2010 Luxembourg
Central Bank Websitehttps://www.bcl.lu/
Updates
Last update dateAug-16

IBAN specification conventions

Character representations:
  • n - Digits (numeric characters 0 to 9 only)
  • a - Upper case letters (alphabetic characters A-Z only)
  • c - Upper and lower case alphanumeric characters (A-Z, a-z and 0-9)
  • e - Blank space
Length indications:
  • nn! - Fixed length
  • nn - Maximum length
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ISO 13616-compliant national Luxembourger IBAN breakdown

IBAN (print format)LU28 0019 4006 4475 0000
IBAN (electronic format)LU280019400644750000
ISO Country CodeLU (Luxembourg)
IBAN CheckSum Digits28
IBAN Length20
BBAN0019400644750000
BBAN Length16
Bank Identifier001
Account Number9400644750000
SEPA MemberYes
CurrencyEUR (Euro)
Organization NameABBL - Association des Banques et Banquiers Luxembourg

Terms and definitions

IBAN: stands for International Bank Account Number: The expanded version of the basic bank account number (BBAN), intended for use internationally. The IBAN uniquely identifies an individual account, at a specific financial institution, in a particular country and generally has a lenght of up to 34 alphanumeric characters. It is the ISO 13616 international standard for numbering bank accounts.

IBAN Structure: The IBAN structure is defined in ISO 13616-1 and consists of a two-letter ISO 3166-1 country code, followed by two check digits and up to thirty alphanumeric characters for a BBAN (Basic Bank Account Number) which has a fixed length per country and, included within it, a bank identifier with a fixed position and a fixed length per country. The check digits are calculated based on the scheme defined in ISO/IEC 7064 (MOD97-10).

Bank identifier: The identifier that uniquely identifies the financial institution and, when appropriate, the branch of that financial institution servicing an account. The branch identifier format is shown specifically, where present.

BBAN: basic bank account number: The identifier that uniquely identifies an individual account, at a specific financial institution, in a particular country. The BBAN includes a bank identifier of the financial institution servicing that account.

Checksum: The check digits enable validation of the bank account number at source to confirm its integrity before submitting a transaction.

Print format: The IBAN print format adds one space after every four characters whereas the electronic format contains no spaces.