| Place | Post Code |
|---|---|
| Arisi, Marangu Mashariki | 25221 |
| Ashira, Marangu Mashariki | 25221 |
| Lyamlakana, Marangu Mashariki | 25221 |
| Lyasongoro, Marangu Mashariki | 25221 |
| Mshiri, Marangu Mashariki | 25221 |
| Rauya, Marangu Mashariki | 25221 |
| Samanga, Marangu Mashariki | 25221 |
| Sembeti, Marangu Mashariki | 25221 |