IBAN validator / Switzerland
Switzerland IBAN format (CH)
A Switzerland IBAN is 21 characters long and begins with the country code CHfollowed by two check digits. Validate one below — the check runs in your browser (ISO 13616 mod-97).
- Country code
- CH
- IBAN length
- 21
- Example
- CH9300762011623852957
Runs entirely in your browser — nothing is sent to a server. A valid IBAN format does not mean the account exists or is active.
Validate Switzerland IBANs via API
curl "https://www.checkfmt.com/api/v1/iban?iban=CH9300762011623852957&key=YOUR_KEY"