São Tomé and Príncipe IBAN Validator

São Tomé and Príncipe IBAN Format

IBAN Breakdown

Frequently Asked Questions

What is the IBAN format for São Tomé and Príncipe?

A São Tomé and Príncipe IBAN is exactly 25 characters long. It starts with the country code "ST", followed by 2 check digits, then a 21-character BBAN (Basic Bank Account Number). The format pattern is: STkk bbbb ssss cccc cccc cccc c.

Is São Tomé and Príncipe part of SEPA?

No, São Tomé and Príncipe is not part of the Single Euro Payments Area (SEPA). International transfers to São Tomé and Príncipe typically use the SWIFT/BIC network instead of SEPA. These transfers may take 2–5 business days and often incur higher fees than SEPA transfers.

What currency does São Tomé and Príncipe use?

São Tomé and Príncipe uses the Dobra (STN). When sending international payments to São Tomé and Príncipe, you’ll need the recipient’s IBAN and may need to specify the currency as STN.

How do I validate a São Tomé and Príncipe IBAN?

To validate a São Tomé and Príncipe IBAN: (1) Check the length is exactly 25 characters. (2) Verify the country code is "ST". (3) Validate the BBAN structure matches the expected pattern for São Tomé and Príncipe. (4) Apply the MOD-97 checksum algorithm by rearranging and converting letters to numbers. A valid IBAN always produces a remainder of 1 when divided by 97.

What does each part of a São Tomé and Príncipe IBAN mean?

A São Tomé and Príncipe IBAN (STkk bbbb ssss cccc cccc cccc c) breaks down as: Country Code (“ST”) identifies São Tomé and Príncipe, Check Digits (2 digits) catch transcription errors, Bank Code (4 characters), Branch Code (4 characters), Account Number (13 characters). Each segment is validated independently to ensure the IBAN is correctly formatted.

Banks in São Tomé and Príncipe

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