1. Normalize the input
Spaces are removed and the representation is normalized.
🇨🇭 IBAN COUNTRY PROFILE · Switzerland
Check an IBAN from Switzerland and understand its structure
An IBAN for Switzerland always contains 21 characters. After CH and two IBAN check digits, the national BBAN contains 5-character bank identifier and 12-character account part. The bank identifier is checked against the available bank directory; where available, the result also includes the institution, city and BIC.
21 charactersFixed total length
17 charactersNational BBAN
CHISO country code
Structure of an IBAN from Switzerland
The reference example CH35 0010 0011 6238 5295 7 shows the country-specific components. It is provided for explanation only and is not a request to make a payment.
CH 35 00100 011623852957
CHCountry code
35IBAN check digits
00100Bank identifier
011623852957Account part
| Position | Length | Component | Format |
|---|---|---|---|
| 1–2 | 2 | Country code | Letters: CH |
| 3–4 | 2 | IBAN check digits | Digits |
| 5–9 | 5 | Bank identifier | Digits |
| 10–21 | 12 | Account part | Alphanumeric |
Validate an IBAN for Switzerland
This validator accepts only IBANs from the selected country.
What IBAN-Test validates for Switzerland
Validation covers normalization, country assignment, the fixed 21-character length, the country-specific segment structure and MOD-97. The bank identifier is also checked against the available bank directory. Account ownership and real-time account existence are not checked.
2. Country and structure
CH, the length and the segment sequence are checked.
3. MOD-97
The international checksum catches many typing errors.
4. Available depth
The bank identifier is checked and available bank details are returned.
| Validation step | Available | Details |
|---|---|---|
| Country, length and structure | Yes | CH, 21 characters; 5-character bank identifier and 12-character account part. |
| MOD-97 checksum | Yes | Mathematical IBAN validation. |
| Known bank identifier | Yes | The bank identifier is checked against the available directory. |
| National account check | No | No additional national account check method. |
| Bank details and BIC | Yes | Available institution details and BIC are returned from the directory. |
| IBAN name check | No | No comparison between an account holder’s name and the IBAN. |
| Account existence | No | No request is sent to the account-holding institution. |
Validate an IBAN from Switzerland via API
The same validation is available through the REST API. The IBAN is sent in the request and is not placed in a public, indexable URL.
curl --get 'https://www.iban-test.eu/api/v2/iban/validate' \
--header 'Authorization: Bearer YOUR_API_TOKEN' \
--data-urlencode 'iban=CH35 0010 0011 6238 5295 7'For this country, the response also checks the bank identifier against the available directory and returns bank details and BIC where published.
Generate an IBAN for Switzerland
The generator accepts up to 5 characters for bankcode and 12 characters for accountnumber. It then calculates the IBAN check digits and validates the result.
curl --get 'https://www.iban-test.eu/api/v2/iban/generate' \
--header 'Authorization: Bearer YOUR_API_TOKEN' \
--data-urlencode 'countrycode=CH' \
--data-urlencode 'bankcode=00762' \
--data-urlencode 'accountnumber=011623852957'What a valid IBAN from Switzerland does not prove
Formal validity is a strong signal against input errors, but it is not real-time confirmation of an account.
No existence confirmation
The account may be closed or unreachable.
No account-holder match
A person or company name is not compared with the IBAN.
No payment guarantee
A valid IBAN does not guarantee that a payment will be accepted.
Registry rules can change
Country formats may be updated when the official registry changes.
Privacy: The input is transmitted only for validation and is not placed in the page URL.