Guinea Bissau IBAN Validator & Format Checker
Validate and decode any Guinea Bissau International Bank Account Number (IBAN). Test the structure against the official format mask, check digits, and run an offline bank lookup.
Guinea Bissau IBAN Structure Rules
Every International Bank Account Number in Guinea Bissau follows a standardized format registry layout:
| Country Code | GW (Guinea Bissau) |
| Total Length | 25 characters |
| SEPA Member | No (Non-SEPA) |
| Structure Format Mask | GW72 AB12 3456 7890 1234 5678 9 |
| BBAN Regex Pattern | ^[A-Z]{2}[0-9]{19}$ |
| Account Number Range | Characters 5 to 25 (21 digits) |
Frequently Asked Questions
How long is a Guinea Bissau IBAN?
A Guinea Bissau IBAN consists of exactly 25 characters. It starts with the country code 'GW', followed by two check digits, and then the Basic Bank Account Number (BBAN).
What is the format of a Guinea Bissau IBAN?
The official format mask for a Guinea Bissau IBAN is 'GW72 AB12 3456 7890 1234 5678 9'. The BBAN component matches the structure pattern '^[A-Z]{2}[0-9]{19}{{FAQ_ACCORDION}}#039;.
Does Guinea Bissau participate in SEPA?
Guinea Bissau is not a member of the Single Euro Payments Area (SEPA). International wire transfers to Guinea Bissau typically route via the SWIFT network.
How do I decode a Guinea Bissau IBAN?
A Guinea Bissau IBAN can be decoded into: the country code 'GW' (characters 1-2), check digits (characters 3-4), and the domestic bank account identifier containing the account number (characters 5-25).