| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Arri, Arri | 27220 |
| Postal/ZIP Codes in Dohom, Arri | 27220 |
| Postal/ZIP Codes in Endasago, Arri | 27220 |
| Postal/ZIP Codes in Managha, Arri | 27220 |
| Postal/ZIP Codes in Sharmo, Arri | 27220 |
| Postal/ZIP Codes in Tsaayo, Arri | 27220 |