| Code | Name | Region |
|---|---|---|
| BINGZ | Ngozi | NG |
| BIRUM | Rumonge | RM |
| BIRUT | Rutana | RT |
| BIBBZ | Bubanza | BB |
| BIRUY | Ruyigi | RY |
| BIBJM | Bujumbura | |
| BIBRR | Bururi | BR |
| BICKZ | Cankuzo | CA |
| BICBK | Cibitoke | BM |
| BIGID | Gitega | |
| BIKKB | Karuzi | KR |
| BIKYZ | Kayanza | KY |
| BIKRE | Kirundo | |
| BIMMB | Makamba | MA |
| BIMUR | Muramvya | MU |
| BIMYG | Muyinga | MY |
| BIMWM | Mwaro | MU |
| BI |