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IBAN formats by country

Netherlands IBAN Format (NL)

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A Netherlands IBAN has 18 characters: NL, two check digits and a 14-character national account number (BBAN), which contains a 4-character bank code.

Length
18 characters
IBAN structure
NL2!n4!a10!n
Bank code length
4 characters
Example
NL91 ABNA 0417 1643 00

Netherlands IBAN structure

After the country code and check digits, the BBAN is 4 upper-case letters, then 10 digits.

PartIn the exampleWhat it is
Country codeNLISO 3166 code of the country
Check digits91Two digits from the ISO 7064 MOD 97-10 calculation
Bank codeABNA4 characters, national bank identifier
Account number0417164300The rest of the BBAN, including any national check digits

The example is the sample IBAN given for this country in the IBAN registry, not an account to pay. Structure notation: n digits, a upper-case letters, c letters or digits; 4!n means exactly four digits.

Check a Netherlands IBAN

Questions

How many characters does a Netherlands IBAN have?
18 characters: the country code NL, two check digits and a BBAN of 14 characters.
What does a Netherlands IBAN look like?
For example NL91 ABNA 0417 1643 00 on paper, or NL91ABNA0417164300 in electronic form.
Where is the bank code in a Netherlands IBAN?
The national bank code has 4 characters, at positions 5 to 8 of the IBAN.
How do I check a Netherlands IBAN?
Paste it into the IBAN checker on this site. It tests the length, the structure and the check digits in your browser.

Other countries with 18-character IBANs

All IBAN countries

Formats from the IBAN Registry (release 99, December 2024) that Swift publishes as the ISO 13616 registration authority, read from public mirrors of the registry. Check the current registry before relying on a format.