Portugal IBAN Format
Portugal IBANs are 25 characters and start with PT. Paste one below to check its length and MOD-97 checksum.
Enter an IBAN to check its country, length and MOD-97 checksum.
Note This checks that the IBAN is well-formed — correct country, correct length and a valid checksum. It cannot confirm that the account actually exists or belongs to a particular person. Always confirm payment details with the recipient.
How a Portugal IBAN is built
PortugalIBAN & VAT reference
| Country code | PT |
|---|---|
| IBAN length | 25 characters |
| Example | PT50 0002 0123 1234 5678 9015 4 |
| SEPA member | Yes |
| VAT prefix | PT |
| VAT / tax number | PT + 9 digits |
How to check a Portugal IBAN
- 01 Paste the IBAN into the box above — spaces and lower-case are fine, they are normalised for you.
- 02 The checker confirms it starts with PT, is 25 characters, and passes the MOD-97 checksum.
- 03 A valid IBAN is shown formatted in groups of four; any failed check is called out so you know what to fix.
Frequently asked questions
What is the IBAN format for Portugal?
A Portugal IBAN is 25 characters long. It starts with the country code "PT", followed by 2 check digits and the BBAN — 4-digit bank code + 4-digit branch + 11-digit account + 2 check digits. Example structure: PT50 0002 0123 1234 5678 9015 4 (a sample, not a real account).
How long is a Portugal IBAN?
Exactly 25 characters, including the "PT" country code and the 2 check digits. This length is fixed by the ISO 13616 registry and is the same for every Portugal bank.
What is the VAT number format for Portugal?
Portugal VAT numbers use the prefix "PT": PT + 9 digits. The VAT number is separate from the IBAN — one identifies the business for tax, the other identifies the bank account.
Does this Portugal IBAN checker upload my data?
No. The validator checks the country code, the 25-character length and the MOD-97 checksum entirely in your browser. Nothing you paste is sent anywhere.