| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Elara, Ambalau | 97546 |
| Postal/ZIP Codes in Kampung Baru, Ambalau | 97546 |
| Postal/ZIP Codes in Lumoy, Ambalau | 97546 |
| Postal/ZIP Codes in Masawoy, Ambalau | 97546 |
| Postal/ZIP Codes in Selasi, Ambalau | 97546 |
| Postal/ZIP Codes in Siwar, Ambalau | 97546 |
| Postal/ZIP Codes in Ulima, Ambalau | 97546 |