Slovakia IBAN Validator SK
Validate a Slovakia IBAN and view its structure: checksum, bank code and format. 100% in your browser - no upload.
What is a Slovakia IBAN?
A Slovakia IBAN is the standardized 24-character account number used for Slovakia bank transfers, starting with the country code SK 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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Slovakia IBAN format
- Country code
- SK
- Length
- 24 characters
- Structure
- SK + 2 check digits + 20-character BBAN
- Example
- SK31 1200 0000 1987 4263 7541
Slovakia IBAN structure explained
How a Slovakia IBAN is built, segment by segment, from our validated example:
Major Slovakia banks and their codes
The national bank codes of the largest Slovakia banks, embedded in every IBAN they issue:
| Bank | Kód banky | BIC / SWIFT |
|---|---|---|
| Slovenská sporiteľňa | 0900 | GIBASKBX |
| Všeobecná úverová banka (VÚB) | 0200 | SUBASKBX |
| Tatra banka | 1100 | TATRSKBX |
| ČSOB | 7500 | CEKOSKBX |
| 365.bank | 6500 | POBNSKBA |
| Prima banka Slovensko | 5600 | KOMASK2X |
| UniCredit Bank | 1111 | UNCRSKBX |
| ING Bank | 7300 | INGBSKBX |
| Citibank Europe | 8130 | CITISKBA |
| mBank | 8360 | BREXSKBX |
| Fio banka | 8330 | FIOZSKBA |
| J&T Banka | 8320 | JTBPSKBA |
Bank codes and BIC/SWIFT identifiers are provided for reference. Always confirm the full IBAN with your bank.
See all Slovakia banks and their codesAbout Slovakia IBANs
A Slovakia IBAN starts with the country code SK, followed by 2 check digits and the national account number (BBAN), for a total of 24 characters. ValidateFin verifies the mod-97 checksum (ISO 13616), the length and the format - entirely in your browser, no data sent to any server.
- •Slovak account numbers may carry an optional 6-digit prefix before the account number, encoded within the SK IBAN.
- •The 4-digit kód banky (bank code) identifies the institution and is maintained by the National Bank of Slovakia (NBS).
- •Slovakia is a SEPA and eurozone country, so a SK IBAN works for all standard euro payments.
Slovakia IBAN — frequently asked questions
How many characters does a Slovakia IBAN have?
A Slovakia IBAN is exactly 24 characters long: the country code SK, 2 check digits and a 20-character BBAN (national account number). Any Slovakia IBAN that is shorter or longer than 24 characters is invalid.
How do I check whether a Slovakia IBAN is valid?
Paste the IBAN into the validator above. ValidateFin verifies that it starts with SK, has 24 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 Slovakia IBAN?
Your Slovakia 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 SK country code followed by the 2 check digits.
What is the structure of a Slovakia IBAN?
A Slovakia IBAN (SK) is made of the SK country code, 2 check digits, the national bank code and the account number — 24 characters in total. The validator above breaks any Slovakia IBAN down into these parts.
How do I find the bank from a Slovakia IBAN?
The bank code is embedded right after the check digits in every Slovakia IBAN. Match it against the bank code table above, or paste the IBAN into the validator to identify the issuing institution.