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You entered:

IBAN to check: CHATGPT04

Checks
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This IBAN cannot be correct because of its length. A Swiss IBAN always contains exactly 21 digits and letters ("CH", a 2-digit checksum, the 5-digit bank clearing number and 12 digits for the account number, possibly padded with zeros). The IBAN you entered is 9 characters long.

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Bankleitzahl (bank code) GPT04: This Bankleitzahl (bank code) does not exist.

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Account number : The account number contains a valid checksum. (Details)

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IBAN CHATGPT04: The IBAN contains an incorrect checksum.

Result

This IBAN is incorrect.

IBAN: CHATGPT04   

This BIC code is not listed in the SCL reachability directory, so we cannot report whether SEPA Direct Debit/B2B/COR1 are supported.

Data valid as of: 24. 9. 2025 (September 24, 2025).




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