IBAN format in São Tomé and Príncipe (ST)
An IBAN in São Tomé and Príncipe is 25 characters long and starts with ST. A valid example: ST68 0001 0001 0051 8453 1011 2. São Tomé and Príncipe does not participate in SEPA.
IBAN structure in São Tomé and Príncipe
| Positions | Meaning | Length | Charset | In the example |
|---|---|---|---|---|
| 1–2 | Country code | 2 | uppercase letters | ST |
| 3–4 | Check digits (IBAN) | 2 | digits | 68 |
| 5–8 | Bank code | 4 | digits | 0001 |
| 9–12 | Branch code | 4 | digits | 0001 |
| 13–23 | Account number | 11 | digits | 00518453101 |
| 24–25 | National check digit | 2 | digits | 12 |
SEPA status
São Tomé and Príncipe does not participate in SEPA — transfers are processed as international (SWIFT), with higher fees and longer settlement.
How do I check an IBAN?
Paste the number into the IBAN validator — it checks the MOD-97 checksum and the registered São Tomé and Príncipe length instantly, fully in your browser.
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FAQ — IBAN in São Tomé and Príncipe
How many characters does an IBAN in São Tomé and Príncipe have?
A São Tomé and Príncipe IBAN is exactly 25 characters: it starts with "ST", followed by 2 check digits and a 21-character national part (BBAN).
What does a São Tomé and Príncipe IBAN look like?
A valid example IBAN for São Tomé and Príncipe: ST68 0001 0001 0051 8453 1011 2. This is the official sample from the IBAN registry — real accounts follow the same structure.
Is São Tomé and Príncipe in SEPA?
São Tomé and Príncipe does not participate in SEPA — transfers are processed as international (SWIFT), with higher fees and longer settlement.
Where can I check an IBAN from São Tomé and Príncipe?
Use the free svcs.bg IBAN validator — it checks the MOD-97 checksum and the registered São Tomé and Príncipe length right in your browser; the number is never sent to a server.
What is inside a São Tomé and Príncipe IBAN?
After "ST" and the 2 check digits come: the bank code (4 digits), the branch code (4 digits), the account number (11 digits), the national check digit (2 digits).
The example IBAN is the official sample from the public IBAN registry (ISO 13616) and passes the MOD-97 check — it is not a real bank account.