Gibraltar IBAN Validator & Format Checker
Validate and decode any Gibraltar International Bank Account Number (IBAN). Test the structure against the official format mask, check digits, and run an offline bank lookup.
Gibraltar IBAN Structure Rules
Every International Bank Account Number in Gibraltar follows a standardized format registry layout:
| Country Code | GI (Gibraltar) |
| Total Length | 23 characters |
| SEPA Member | Yes (SEPA Member) |
| Structure Format Mask | GI83 ABCD 1234 5678 9012 345 |
| BBAN Regex Pattern | ^[A-Z]{4}[A-Z0-9]{15}$ |
| Bank Code Range | Characters 5 to 8 (4 digits) |
| Account Number Range | Characters 9 to 23 (15 digits) |
Frequently Asked Questions
How long is a Gibraltar IBAN?
A Gibraltar IBAN consists of exactly 23 characters. It starts with the country code 'GI', followed by two check digits, and then the Basic Bank Account Number (BBAN).
What is the format of a Gibraltar IBAN?
The official format mask for a Gibraltar IBAN is 'GI83 ABCD 1234 5678 9012 345'. The BBAN component matches the structure pattern '^[A-Z]{4}[A-Z0-9]{15}{{FAQ_ACCORDION}}#039;.
Does Gibraltar participate in SEPA?
Gibraltar is a member of the Single Euro Payments Area (SEPA). Euro payments can be processed under SEPA rules.
How do I decode a Gibraltar IBAN?
A Gibraltar IBAN can be decoded into: the country code 'GI' (characters 1-2), check digits (characters 3-4), and the domestic bank account identifier containing the bank identifier (characters 5-8), and account number (characters 9-23).