| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Bitapaka, Kokopo | |
| Postal/ZIP Codes in Duke of York, Kokopo | |
| Postal/ZIP Codes in Kokopo-Vunamami, Kokopo | |
| Postal/ZIP Codes in Raluana, Kokopo |
| Postal Codes in East New Britain | |
|---|---|
| Postal/ZIP Codes in Rabaul | Postal/ZIP Codes in Pomio |
| Postal/ZIP Codes in Kokopo | Postal/ZIP Codes in Gazelle |