IBAN format · GI
Gibraltar IBAN format
IBANs issued in Gibraltar are 23 characters long and follow the ISO 13616 structure below.
Country code
GI
Total length
23 chars
Check-digit algo
MOD 97-10
ISO 13616 pattern
4!a15!c
4 letters (letters (A–Z)), then 15 characters (alphanumeric (A–Z, 0–9))
Structure breakdown
The IBAN is read left to right: a 2-letter country code, 2 check digits, then the country-specific BBAN split into 2 fields.
Country code
ISO 3166 — Gibraltar
GI
Check digits
MOD 97-10 checksum
70
BBAN field 1
4 letters · letters (A–Z)
ABCD
BBAN field 2
15 characters · alphanumeric (A–Z, 0–9)
ABCD1234EFGH567