Monaco IBAN Format
Monaco IBANs are 27 characters and start with MC. 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 Monaco IBAN is built
MonacoIBAN & VAT reference
| Country code | MC |
|---|---|
| IBAN length | 27 characters |
| Example | MC58 1122 2000 0101 2345 6789 030 |
| SEPA member | Yes |
| VAT prefix | FR |
| VAT / tax number | Uses the French VAT system: FR + 2 chars + 9 digits |
How to check a Monaco 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 MC, is 27 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 Monaco?
A Monaco IBAN is 27 characters long. It starts with the country code "MC", followed by 2 check digits and the BBAN — 5-digit bank code + 5-digit branch + 11-char account + 2-digit rib key. Example structure: MC58 1122 2000 0101 2345 6789 030 (a sample, not a real account).
How long is a Monaco IBAN?
Exactly 27 characters, including the "MC" country code and the 2 check digits. This length is fixed by the ISO 13616 registry and is the same for every Monaco bank.
What is the VAT number format for Monaco?
Monaco VAT numbers use the prefix "FR": Uses the French VAT system: FR + 2 chars + 9 digits. The VAT number is separate from the IBAN — one identifies the business for tax, the other identifies the bank account.
Does this Monaco IBAN checker upload my data?
No. The validator checks the country code, the 27-character length and the MOD-97 checksum entirely in your browser. Nothing you paste is sent anywhere.