Belgium bank code guide

Domestic payments

Use the recipient’s Belgian IBAN. The institution code is the three-digit prefix of the national account-number component.

International payments

Use the bank’s IBAN and any BIC or additional routing instructions required by the sending bank.

Important distinctions

• Keep leading zeros in three-digit institution codes.
• Reserved or unavailable source slots are not banks; these placeholders are excluded from our directory.
• One bank can have several institution codes. A code match is not a branch-location or account-ownership check.

How to find and confirm the identifier

1. Ask the recipient to obtain payment instructions from their bank’s official app, statement or website.
2. Match the country, identifier type and institution. Keep leading zeros and do not substitute a different code type.
3. For a changed bank or branch, verify the replacement instructions directly with the bank. A similar name is not enough.

Directory coverage

National Bank of Belgium list, version September 1, 2026. Codes are the three-digit institution prefix in Belgian account numbers. Free, unavailable and reserved placeholders are excluded. A BIC is shown only when the source supplies one; this is not a complete branch directory.

Saved source date: 2026-09-01. Authority / source reference ↗

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