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IBAN formats by country

Czech Republic IBAN Format (CZ)

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A Czech Republic IBAN has 24 characters: CZ, two check digits and a 20-character national account number (BBAN), which contains a 4-character bank code.

Length
24 characters
IBAN structure
CZ2!n4!n6!n10!n
Bank code length
4 characters
Example
CZ65 0800 0000 1920 0014 5399

Czech Republic IBAN structure

After the country code and check digits, the BBAN is 4 digits, then 6 digits, then 10 digits.

PartIn the exampleWhat it is
Country codeCZISO 3166 code of the country
Check digits65Two digits from the ISO 7064 MOD 97-10 calculation
Bank code08004 characters, national bank identifier
Account number0000192000145399The 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 Czech Republic IBAN

Questions

How many characters does a Czech Republic IBAN have?
24 characters: the country code CZ, two check digits and a BBAN of 20 characters.
What does a Czech Republic IBAN look like?
For example CZ65 0800 0000 1920 0014 5399 on paper, or CZ6508000000192000145399 in electronic form.
Where is the bank code in a Czech Republic IBAN?
The national bank code has 4 characters, at positions 5 to 8 of the IBAN.
How do I check a Czech Republic 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 24-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.