| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Arusha, Chawi | 63210 |
| Postal/ZIP Codes in Chawi, Chawi | 63210 |
| Postal/ZIP Codes in Mkomo, Chawi | 63210 |
| Postal/ZIP Codes in Navikole, Chawi | 63210 |
| Postal/ZIP Codes in Ngonja, Chawi | 63210 |
| Postal/ZIP Codes in Ngorongoro, Chawi | 63210 |