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Switzerland IBAN format
An IBAN from Switzerland has 21 characters and starts with CH. It is a SEPA country.
Layout
CHkk bbbb bccc cccc cccc c
CH = country code · k = check digits · b = bank code · c = account number
| Part | Where | What |
|---|---|---|
| Country code | positions 1-2 | CH |
| Check digits | positions 3-4 | 2 digits (mod 97) |
| Bank code | positions 5-9 | 5 characters |
| Account number | positions 10-21 | 12 characters |
Questions
How many characters is an IBAN in Switzerland?
An IBAN from Switzerland always has 21 characters: the country code CH, 2 check digits and a 17-character national account number (BBAN).
How do I know a Switzerland IBAN is correct?
Check the length (21), that it starts with CH, and the mod-97 check digits. Our free IBAN checker does all three in one step and shows the bank when it is known.
Is Switzerland in SEPA?
Yes. Euro transfers to Switzerland IBANs can go as SEPA credit transfers.
Does a valid IBAN mean the account exists?
No. The check proves the number is well formed and the check digits match. Only the bank can confirm that the account is open and whose it is.