Gibraltar IBAN Validator GI
Validate a Gibraltar IBAN and view its structure: checksum, bank code and format. 100% in your browser - no upload.
What is a Gibraltar IBAN?
A Gibraltar IBAN is the standardized 23-character account number used for Gibraltar bank transfers, starting with the country code GI and 2 check digits followed by the national bank code and account number. It is validated with the ISO 13616 mod-97 checksum — paste one above to check it instantly, in your browser.
Enter an IBAN
Spaces are automatically ignored. No data is sent - 100% local calculation.
Gibraltar IBAN format
- Country code
- GI
- Length
- 23 characters
- Structure
- GI + 2 check digits + 19-character BBAN
- Example
- GI75 NWBK 0000 0000 7099 453
Gibraltar IBAN structure explained
How a Gibraltar IBAN is built, segment by segment, from our validated example:
Major Gibraltar banks and their codes
The national bank codes of the largest Gibraltar banks, embedded in every IBAN they issue:
| Bank | Bank code | BIC / SWIFT |
|---|---|---|
| NatWest International (Gibraltar) | NWBK | RBOSGIGI |
| Gibraltar International Bank | GIBK | GIBKGIGI |
| Trusted Novus Bank | TNOV | TNOVGIGI |
Bank codes and BIC/SWIFT identifiers are provided for reference. Always confirm the full IBAN with your bank.
See all Gibraltar banks and their codesAbout Gibraltar IBANs
A Gibraltar IBAN starts with the country code GI, followed by 2 check digits and the national account number (BBAN), for a total of 23 characters. ValidateFin verifies the mod-97 checksum (ISO 13616), the length and the format - entirely in your browser, no data sent to any server.
- •The Gibraltar bank code is 4 letters (e.g. NWBK) matching the bank's BIC, in the UK style.
- •Gibraltar follows a UK-style account structure, reflecting its close ties to British banking.
- •Gibraltar is part of the SEPA zone, so a GI IBAN is accepted for euro SEPA payments even though it is outside the EU.
Gibraltar IBAN — frequently asked questions
How many characters does a Gibraltar IBAN have?
A Gibraltar IBAN is exactly 23 characters long: the country code GI, 2 check digits and a 19-character BBAN (national account number). Any Gibraltar IBAN that is shorter or longer than 23 characters is invalid.
How do I check whether a Gibraltar IBAN is valid?
Paste the IBAN into the validator above. ValidateFin verifies that it starts with GI, has 23 characters and passes the mod-97 checksum defined by ISO 13616. The check runs entirely in your browser — nothing is uploaded to any server.
Where can I find my Gibraltar IBAN?
Your Gibraltar IBAN appears on your bank statements, in your online or mobile banking under account details, and on your bank card documentation. It always begins with the GI country code followed by the 2 check digits.
What is the structure of a Gibraltar IBAN?
A Gibraltar IBAN (GI) is made of the GI country code, 2 check digits, the national bank code and the account number — 23 characters in total. The validator above breaks any Gibraltar IBAN down into these parts.
How do I find the bank from a Gibraltar IBAN?
The bank code is embedded right after the check digits in every Gibraltar IBAN. Match it against the bank code table above, or paste the IBAN into the validator to identify the issuing institution.