Netherlands IBAN Format
Netherlands IBANs are 18 characters and start with NL. Paste one below to check its length and MOD-97 checksum.
Enter an IBAN to check its country, length and MOD-97 checksum.
Note This checks that the IBAN is well-formed — correct country, correct length and a valid checksum. It cannot confirm that the account actually exists or belongs to a particular person. Always confirm payment details with the recipient.
How a Netherlands IBAN is built
NetherlandsIBAN & VAT reference
| Country code | NL |
|---|---|
| IBAN length | 18 characters |
| Example | NL91 ABNA 0417 1643 00 |
| SEPA member | Yes |
| VAT prefix | NL |
| VAT / tax number | NL + 9 digits + B + 2 digits |
How to check a Netherlands IBAN
- 01 Paste the IBAN into the box above — spaces and lower-case are fine, they are normalised for you.
- 02 The checker confirms it starts with NL, is 18 characters, and passes the MOD-97 checksum.
- 03 A valid IBAN is shown formatted in groups of four; any failed check is called out so you know what to fix.
Frequently asked questions
What is the IBAN format for Netherlands?
A Netherlands IBAN is 18 characters long. It starts with the country code "NL", followed by 2 check digits and the BBAN — 4-letter bank code + 10-digit account number. Example structure: NL91 ABNA 0417 1643 00 (a sample, not a real account).
How long is a Netherlands IBAN?
Exactly 18 characters, including the "NL" country code and the 2 check digits. This length is fixed by the ISO 13616 registry and is the same for every Netherlands bank.
What is the VAT number format for Netherlands?
Netherlands VAT numbers use the prefix "NL": NL + 9 digits + B + 2 digits. The VAT number is separate from the IBAN — one identifies the business for tax, the other identifies the bank account.
Does this Netherlands IBAN checker upload my data?
No. The validator checks the country code, the 18-character length and the MOD-97 checksum entirely in your browser. Nothing you paste is sent anywhere.