IBAN details by country
Belgium IBAN format and structure
See the Belgium IBAN length, BBAN structure, component positions and non-payable format template.
IBAN format
- IBAN length
- 16
- BBAN length
- 12
- IBAN structure
BE2!n3!n7!n2!n- Registry release
- 102
IBAN structure template
Lowercase letters are placeholders for character positions. This is a format template and cannot be used for a payment.
- Electronic template
BEkkbbbnnnnnnnnn- Print template
BEkk bbbn nnnn nnnn
IBAN components and positions
| Component | Positions | Length | Characters |
|---|---|---|---|
| Country code | 1–2 | 2 | Letters |
| Check digits | 3–4 | 2 | Digits |
| Bank identifier | 5–7 | 3 | Digits |
| National account component | 8–14 | 7 | Digits |
| National account component | 15–16 | 2 | Digits |
Tools for this country
- Validate this country’s IBAN formatAvailable
- View IBAN componentsAvailable
- Format an IBAN for print or electronic useAvailable
- Calculate check digits from a complete BBANAvailable
- Calculate from separate national fieldsAvailable
- Generate a non-payable structure templateAvailable
- Map an IBAN to BIC directory recordsUnavailable
How to use this reference
Use the length and component positions to set up input fields, understand national bank details or choose the right IBAN tool. Use the Validator for a complete IBAN and the Calculator when you already have a complete BBAN.
Related IBAN tools
Source information
IBAN formats come from Swift IBAN Registry Release 102, published in June 2026. Country names come from Unicode CLDR 48.2. We verify and store both sources privately; contact details are not included.