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IBANforge
IBAN by country

Finland IBAN

18 characters: the country code, two check digits, then the BBAN cut as below.

Anatomy of the official example

FI2112345600000785

  • Country code
  • Check digits
  • Bank code
  • Account number

The example comes from the ISO 13616 registry; it belongs to nobody. Positions count from the first character of the IBAN.

The facts about the Finland IBAN
ISO codeFI
Length18 characters
Check digitspositions 3 to 4, ISO 7064 mod 97-10
Bank codepositions 5 to 7 · 3!n
Account numberpositions 8 to 18 · 11!n
Official exampleFI21 1234 5600 0007 85
SEPA areamember · SCT, SDD, SCT Inst
Verification of Payeemandatory for the country's providers
Bank-code registerFinance Finland monetary institution codes (allocated to banking groups, not individual institutions; transcribed list, a miss is not a denial)

SWIFT notation: n = digits, a = upper-case letters, c = alphanumeric characters; the exclamation mark fixes the exact length.

What the API checks on a Finland IBAN

  • The length, the charset of every field and the mod-97 check digits.
  • The bank code against Finance Finland monetary institution codes (allocated to banking groups, not individual institutions; transcribed list, a miss is not a denial): the holder of every code it lists, without the weight of a register that settles a negative; the other codes against our composite map.
  • The country's SEPA reachability and the open schemes (SCT, SDD, SCT Inst).
  • The Verification of Payee duty that does, or does not, bind the country's providers.

What the API answers for this code

The API checks this country's bank codes against Finance Finland monetary institution codes (allocated to banking groups, not individual institutions; transcribed list, a miss is not a denial). We serve that register from a private file rather than publish it, so its answer to this example is not copied here: it is computed live, on the request. Try the example in the playground

Test a Finland IBAN for freeAudit a whole creditor fileThe POST /v1/iban/validate routeAll countries

Source: ISO 13616 registry for the length, layout and example; API answer captured on 2026-10-21.