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IBAN formats by country

Denmark IBAN Format (DK)

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

Length
18 characters
IBAN structure
DK2!n4!n9!n1!n
Bank code length
4 characters
Example
DK50 0040 0440 1162 43

Denmark IBAN structure

After the country code and check digits, the BBAN is 4 digits, then 9 digits, then 1 digit.

PartIn the exampleWhat it is
Country codeDKISO 3166 code of the country
Check digits50Two digits from the ISO 7064 MOD 97-10 calculation
Bank code00404 characters, national bank identifier
Account number0440116243The 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 Denmark IBAN

Questions

How many characters does a Denmark IBAN have?
18 characters: the country code DK, two check digits and a BBAN of 14 characters.
What does a Denmark IBAN look like?
For example DK50 0040 0440 1162 43 on paper, or DK5000400440116243 in electronic form.
Where is the bank code in a Denmark IBAN?
The national bank code has 4 characters, at positions 5 to 8 of the IBAN.
How do I check a Denmark 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.