Guernsey IBAN format
| Country code | GG |
|---|---|
| IBAN length | 22 characters (2 country letters, 2 check digits, 18-character BBAN) |
| Structure | GGkk bbbb ssss sscc cccc cck = check digits, b = bank code, s = branch/sort code, c = account number, x = national check digits or other |
| Registry BBAN format | 4!a6!n8!n (e.g. 8!n = exactly 8 digits; a = letters; c = letters or digits) |
| Format example | GG20 ABCD 5678 9012 3456 78Illustrative only: right structure and valid check digits, not a real account. |
| SEPA | Yes (as a territory listed in the EPC's SEPA geographical scope) – check with your bank. |
What the parts mean
| Positions | Characters | Meaning |
|---|---|---|
| 5–8 | 4 upper-case letters | Bank code |
| 9–14 | 6 digits | Branch / sort code |
| 15–22 | 8 digits | Account number |
Paying an IBAN in Guernsey
For SEPA payments involving countries outside the EEA, banks normally require the BIC as well as the IBAN.
Writing the IBAN in groups of four (GG20 ABCD …) is the usual print format; online banking and payment files use it without spaces.
Paying many Guernsey IBANs in euro? Create a SEPA XML file from Excel – every IBAN is checked as above.