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IBAN formats by country

Switzerland IBAN Format (CH)

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A Switzerland IBAN has 21 characters: CH, two check digits and a 17-character national account number (BBAN), which contains a 5-character bank code.

Length
21 characters
IBAN structure
CH2!n5!n12!c
Bank code length
5 characters
Example
CH93 0076 2011 6238 5295 7

Switzerland IBAN structure

After the country code and check digits, the BBAN is 5 digits, then 12 letters or digits.

PartIn the exampleWhat it is
Country codeCHISO 3166 code of the country
Check digits93Two digits from the ISO 7064 MOD 97-10 calculation
Bank code007625 characters, national bank identifier
Account number011623852957The rest of the BBAN, including any national check digits

The example is the sample IBAN given for this country in the IBAN registry, not an account to pay. Structure notation: n digits, a upper-case letters, c letters or digits; 4!n means exactly four digits.

Check a Switzerland IBAN

Questions

How many characters does a Switzerland IBAN have?
21 characters: the country code CH, two check digits and a BBAN of 17 characters.
What does a Switzerland IBAN look like?
For example CH93 0076 2011 6238 5295 7 on paper, or CH9300762011623852957 in electronic form.
Where is the bank code in a Switzerland IBAN?
The national bank code has 5 characters, at positions 5 to 9 of the IBAN.
How do I check a Switzerland IBAN?
Paste it into the IBAN checker on this site. It tests the length, the structure and the check digits in your browser.

Other countries with 21-character IBANs

All IBAN countries

Formats from the IBAN Registry (release 99, December 2024) that Swift publishes as the ISO 13616 registration authority, read from public mirrors of the registry. Check the current registry before relying on a format.