Slovenia IBAN Format
Slovenia IBANs are 19 characters and start with SI. Paste one below to check its length and MOD-97 checksum.
Enter an IBAN to check its country, length and MOD-97 checksum.
Note This checks that the IBAN is well-formed — correct country, correct length and a valid checksum. It cannot confirm that the account actually exists or belongs to a particular person. Always confirm payment details with the recipient.
How a Slovenia IBAN is built
SloveniaIBAN & VAT reference
| Country code | SI |
|---|---|
| IBAN length | 19 characters |
| Example | SI56 2633 0001 2039 086 |
| SEPA member | Yes |
| VAT prefix | SI |
| VAT / tax number | SI + 8 digits |
How to check a Slovenia IBAN
- 01 Paste the IBAN into the box above — spaces and lower-case are fine, they are normalised for you.
- 02 The checker confirms it starts with SI, is 19 characters, and passes the MOD-97 checksum.
- 03 A valid IBAN is shown formatted in groups of four; any failed check is called out so you know what to fix.
Frequently asked questions
What is the IBAN format for Slovenia?
A Slovenia IBAN is 19 characters long. It starts with the country code "SI", followed by 2 check digits and the BBAN — 5-digit bank/branch code + 8-digit account + 2 check digits. Example structure: SI56 2633 0001 2039 086 (a sample, not a real account).
How long is a Slovenia IBAN?
Exactly 19 characters, including the "SI" country code and the 2 check digits. This length is fixed by the ISO 13616 registry and is the same for every Slovenia bank.
What is the VAT number format for Slovenia?
Slovenia VAT numbers use the prefix "SI": SI + 8 digits. The VAT number is separate from the IBAN — one identifies the business for tax, the other identifies the bank account.
Does this Slovenia IBAN checker upload my data?
No. The validator checks the country code, the 19-character length and the MOD-97 checksum entirely in your browser. Nothing you paste is sent anywhere.