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IBAN formats by country

Gibraltar IBAN Format (GI)

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A Gibraltar IBAN has 23 characters: GI, two check digits and a 19-character national account number (BBAN), which contains a 4-character bank code.

Length
23 characters
IBAN structure
GI2!n4!a15!c
Bank code length
4 characters
Example
GI75 NWBK 0000 0000 7099 453

Gibraltar IBAN structure

After the country code and check digits, the BBAN is 4 upper-case letters, then 15 letters or digits.

PartIn the exampleWhat it is
Country codeGIISO 3166 code of the country
Check digits75Two digits from the ISO 7064 MOD 97-10 calculation
Bank codeNWBK4 characters, national bank identifier
Account number000000007099453The rest of the BBAN, including any national check digits

The example is the sample IBAN given for this country in the IBAN registry, not an account to pay. Structure notation: n digits, a upper-case letters, c letters or digits; 4!n means exactly four digits.

Check a Gibraltar IBAN

Questions

How many characters does a Gibraltar IBAN have?
23 characters: the country code GI, two check digits and a BBAN of 19 characters.
What does a Gibraltar IBAN look like?
For example GI75 NWBK 0000 0000 7099 453 on paper, or GI75NWBK000000007099453 in electronic form.
Where is the bank code in a Gibraltar IBAN?
The national bank code has 4 characters, at positions 5 to 8 of the IBAN.
How do I check a Gibraltar IBAN?
Paste it into the IBAN checker on this site. It tests the length, the structure and the check digits in your browser.

Other countries with 23-character IBANs

All IBAN countries

Formats from the IBAN Registry (release 99, December 2024) that Swift publishes as the ISO 13616 registration authority, read from public mirrors of the registry. Check the current registry before relying on a format.