IBAN
Finland IBAN format
A Finland IBAN is 18 characters long and begins FI. Here is what each position holds.
At a glance
- Country code
- FI
- Total length
- 18 characters
- Structure after the check digits
3!n11!n- SEPA area
- Yes
- Checksum
- ISO 7064 MOD-97-10
Position by position
| Part | Positions | Length |
|---|---|---|
| Country code | 1–2 | 2 |
| Check digits | 3–4 | 2 |
| Bank code | 5–7 | 3 |
| Account number | 8–18 | 11 |
Positions are counted across the whole IBAN, starting at 1.
Reading the structure
The structure 3!n11!n describes everything after the
country code and check digits. Each group is a length followed by a character type:
n means digits only, a means uppercase letters only, and
c means letters or digits. An exclamation mark means the length is fixed.
This matters when you are typing an IBAN by hand: in a group marked n, a letter O where a zero belongs is a structural error the checker will report, not a checksum failure.
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