Denmark IBAN Validator DK
Validate a Denmark IBAN and view its structure: checksum, bank code and format. 100% in your browser - no upload.
What is a Denmark IBAN?
A Denmark IBAN is the standardized 18-character account number used for Denmark bank transfers, starting with the country code DK and 2 check digits followed by the national bank code and account number. It is validated with the ISO 13616 mod-97 checksum — paste one above to check it instantly, in your browser.
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Denmark IBAN format
- Country code
- DK
- Length
- 18 characters
- Structure
- DK + 2 check digits + 14-character BBAN
- Example
- DK50 0040 0440 1162 43
Denmark IBAN structure explained
How a Denmark IBAN is built, segment by segment, from our validated example:
Major Denmark banks and their codes
The national bank codes of the largest Denmark banks, embedded in every IBAN they issue:
| Bank | Registreringsnummer | BIC / SWIFT |
|---|---|---|
| Danske Bank | 3000 | DABADKKK |
| Nordea Danmark | 2000 | NDEADKKK |
| Jyske Bank | 5000 | JYBADKKK |
| Arbejdernes Landsbank | 5301 | ALBADKKK |
Bank codes and BIC/SWIFT identifiers are provided for reference. Always confirm the full IBAN with your bank.
See all Denmark banks and their codesAbout Denmark IBANs
A Denmark IBAN starts with the country code DK, followed by 2 check digits and the national account number (BBAN), for a total of 18 characters. ValidateFin verifies the mod-97 checksum (ISO 13616), the length and the format - entirely in your browser, no data sent to any server.
- •The first 4 digits form the registreringsnummer (registration number) identifying the bank and branch, followed by a 10-digit account number.
- •Danish domestic transfers use the 4-digit reg. number plus the account number — both are embedded directly in the DK IBAN.
- •Denmark is a SEPA country; a DK IBAN works for euro SEPA payments, while domestic accounts are in Danish krone (DKK).
Denmark IBAN — frequently asked questions
How many characters does a Denmark IBAN have?
A Denmark IBAN is exactly 18 characters long: the country code DK, 2 check digits and a 14-character BBAN (national account number). Any Denmark IBAN that is shorter or longer than 18 characters is invalid.
How do I check whether a Denmark IBAN is valid?
Paste the IBAN into the validator above. ValidateFin verifies that it starts with DK, has 18 characters and passes the mod-97 checksum defined by ISO 13616. The check runs entirely in your browser — nothing is uploaded to any server.
Where can I find my Denmark IBAN?
Your Denmark IBAN appears on your bank statements, in your online or mobile banking under account details, and on your bank card documentation. It always begins with the DK country code followed by the 2 check digits.
What is the structure of a Denmark IBAN?
A Denmark IBAN (DK) is made of the DK country code, 2 check digits, the national bank code and the account number — 18 characters in total. The validator above breaks any Denmark IBAN down into these parts.
How do I find the bank from a Denmark IBAN?
The bank code is embedded right after the check digits in every Denmark IBAN. Match it against the bank code table above, or paste the IBAN into the validator to identify the issuing institution.