| Place | Post Code |
|---|---|
| Ambavan'i Mariarano, Boeny) | 401 |
| Ambenja, Boeny) | 401 |
| Ambondrobe, Boeny) | 401 |
| Ampasimaleotra, Boeny) | 401 |
| Antanambao, Boeny) | 401 |
| Komany, Boeny) | 401 |
| Mariarano, Boeny) | 401 |
| Marosakoa, Boeny) | 401 |
| Mataibory, Boeny) | 401 |
| Mitsinjo, Boeny) | 401 |
| Tsianikira, Boeny) | 401 |
| Postal Codes in Mahajanga II | |
|---|---|
| Ambalabe Befanjava | |
| Ambalakida | |
| Andranoboka | |
| Bekobay | |
| Belobaka | |
| Betsako | |
| Boanamary | |
| Mahajamba Usine | |
| Mariarano | |