IBAN · SK

IBAN format in Slovakia: structure, length and example

An IBAN in Slovakia is 24 characters long and always starts with SK. It is a SEPA country, so euro payments from other SEPA members arrive as ordinary domestic transfers. The details below come from the official IBAN registry maintained by SWIFT as registration authority for ISO 13616.

IBANs run from 15 to 33 characters worldwide; at 24 this one is exactly the average length. 10 other countries use the same length, which is why the two opening letters matter — they are what tells the sending bank where the money is going. There is no separate branch identifier: the number points at the bank and the account, not at a particular office. The format has been in force since April 2007.

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Slovakia IBAN at a glance

Account number format at a glance
FieldValue
IBAN country codeSK
IBAN length24 characters
Domestic account number length20 characters
IBAN structureSK2!n4!n6!n10!n
SEPA memberYes
Example (electronic)SK3112000000198742637541
Example (printed)SK31 1200 0000 1987 4263 7541

How an IBAN in Slovakia breaks down

Taking the registry's own example, SK31 1200 0000 1987 4263 7541:

The example account number broken into parts
PartValueWhat it is
Country codeSKAlways SK for Slovakia
Check digits31Calculated from the rest of the number (ISO 7064 mod-97)
Bank identifier1200Positions 1–4 of the domestic account number
Account number0000198742637541Identifies the account at that bank

Letters in the structure notation mean: n digits, a uppercase letters, c letters or digits; ! means the length is fixed.

How to send money to an account in Slovakia

  1. Ask for the IBAN in full — including the country code at the front. Spaces do not matter; banks strip them.
  2. Check the name matches the account. The check digits catch typing mistakes, not wrong recipients.
  3. Send — and keep the reference number until the recipient confirms arrival.

Common questions

How many characters is an IBAN in Slovakia?

24 characters, starting with the country code SK. Written on paper it is normally grouped in blocks of four, like SK31 1200 0000 1987 4263 7541.

What does a Slovakia IBAN look like?

SK31 1200 0000 1987 4263 7541 is the format example published in the official IBAN registry. The first two letters are the country code, the next two are check digits, and the rest identifies the bank and the account.

Do I need a BIC as well as the IBAN for Slovakia?

For payments inside SEPA the IBAN alone is enough. Outside SEPA, or when your bank asks for it, you also need the recipient bank's BIC/SWIFT code.

Can I check an IBAN before sending money?

The check digits let any bank detect a mistyped IBAN, but they cannot tell you whether the account belongs to the person you think. Confirm the name and the number with the recipient.

Where this data comes from

Structure, length and examples come from the official IBAN Registry published by SWIFT as registration authority for ISO 13616, snapshot of 2026-08-21. Worked examples are derived from the registry's own sample values. Whether a country is inside SEPA is taken from the European Payments Council list of countries in the SEPA schemes, not from the registry: the registry records the position at its own release date and lags behind admissions. Corrections: [email protected].

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