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Non-SEPA Country
Guinea-Bissau IBAN Format: Structure, Length & Example
IBAN Length
A Guinea-Bissau IBAN is always exactly 25 characters.
25
characters
GW
Country Code
2a+2n+19n
Structure
Visual IBAN Breakdown
Breakdown of the IBAN segments:
GW
Country Code
04
Check Digits
GW1430010181800637601
BBAN (21 chars)
BBAN Structure
The Guinea-Bissau BBAN (Basic Bank Account Number) has the following structure:
| Segment | Type | Position |
|---|---|---|
| GW | Country Code | 1–2 |
| KK | Check Digits | 3–4 |
| 2a | Alphabetic | 5–6 |
| 2n | Numeric | 7–8 |
| 19n | Numeric | 9–27 |
Formatting Rules
- •IBAN must be uppercase.
- •Electronic format: no spaces (e.g., GW04GW1430010181800637601).
- •Paper format: groups of 4 characters separated by spaces.
- Paper format example:
GW04 GW14 3001 0181 8006 3760 1