| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Daru, South Fly | 331 |
| Postal/ZIP Codes in Kiwai, South Fly | 331 |
| Postal/ZIP Codes in Morehead, South Fly | 331 |
| Postal/ZIP Codes in Oriomo-Bituri, South Fly | 331 |
| Postal Codes in Western (Fly River) | |
|---|---|
| Postal/ZIP Codes in South Fly | Postal/ZIP Codes in North Fly |
| Postal/ZIP Codes in Middle Fly | |