Fio banka IBAN calculator
Fio banka IBANs start with CZ, two check digits and 2010, followed by your account prefix padded to six digits and your account number padded to ten. Enter your prefix (předčíslí) and account number (číslo účtu) to get your IBAN, built in your browser; this calculator is not affiliated with Fio banka.
Calculate your Fio banka IBAN
Fio banka’s bank code is 2010, the part after the slash in its account numbers. Enter the prefix, if your account has one, and the number.
Holyheld is not affiliated with Fio banka. Your bank’s app or statement shows your IBAN too; if it differs from the one built here, use your bank’s.
Already have an IBAN? Check it in the IBAN checker.
Fio banka IBAN format
| Detail | Value |
|---|---|
| IBAN length | 24 characters |
| Starts with | CZkk 2010 |
| Bank code in the IBAN | 2010 |
| BIC | FIOBCZPP |
| Printed format | CZkk 2010 ssss sscc cccc cccc |
| Source | Czech National Bank list of bank codes, version 255, valid from 1 October 2026: “2010;Fio banka, a.s.;FIOBCZPP” (cnb.cz, checked 27 October 2026) |
| Source | Decree 169/2011: prefix up to 6 digits, number 2 to 10 digits, each passing a modulo 11 test (cnb.cz, checked 27 October 2026) |
Frequently asked questions
24 characters: CZ, two check digits, the bank code 2010, then your account prefix padded to six digits and your account number padded to ten. Printed in groups of four, it reads CZkk 2010 ssss sscc cccc cccc.
No. Holyheld is not affiliated with Fio banka. The calculator applies the published the Czech Republic IBAN format with Fio banka’s bank code 2010, taken from the Czech National Bank’s list of bank codes. It runs in your browser and sends nothing to a server.
In your Fio banka app, online banking or statements, which usually show the IBAN itself as well. If the IBAN your bank shows differs from the one built here, use your bank’s.
Paying an IBAN from stablecoins? Holyheld Business converts USDC to EUR and pays it out by SEPA. See pricing or the guide to off-ramping USDC to an IBAN.