| Location | Postcode | Post Office | State |
|---|---|---|---|
| Ayer Tawar | 81920 | Ayer Tawar 2 | Johor |
| Ayer Tawar 2 | 81920 | Ayer Tawar 2 | Johor |
| Felcra Sungai Layar | 81920 | Ayer Tawar 2 | Johor |
| Felda Air Tawar 1 | 81920 | Ayer Tawar 2 | Johor |
| Felda Air Tawar 2 | 81920 | Ayer Tawar 2 | Johor |
| Felda Air Tawar 3 | 81920 | Ayer Tawar 2 | Johor |
| Felda Air Tawar 4 | 81920 | Ayer Tawar 2 | Johor |
| Felda Air Tawar 5 | 81920 | Ayer Tawar 2 | Johor |
| Felda Semenchu | 81920 | Ayer Tawar 2 | Johor |
| Johor Kampung/Johor Lama | 81920 | Ayer Tawar 2 | Johor |
| Kampung Baru Sungai Layau | 81920 | Ayer Tawar 2 | Johor |
| Kampung Belading Baru | 81920 | Ayer Tawar 2 | Johor |
| Kampung Panchor | 81920 | Ayer Tawar 2 | Johor |
| Kampung Sungai Layau | 81920 | Ayer Tawar 2 | Johor |
| Kampung Sungai Seluyut | 81920 | Ayer Tawar 2 | Johor |
| Kampung Sungai Sembilang | 81920 | Ayer Tawar 2 | Johor |
| Kampung Tanjung Buai | 81920 | Ayer Tawar 2 | Johor |
| Kampung Telok Sengat | 81920 | Ayer Tawar 2 | Johor |
| Ladang Ah Tong | 81920 | Ayer Tawar 2 | Johor |
| Ladang Amboh | 81920 | Ayer Tawar 2 | Johor |
| Ladang Asahi | 81920 | Ayer Tawar 2 | Johor |
| Ladang Bukit Tinggi | 81920 | Ayer Tawar 2 | Johor |
| Panchor | 81920 | Ayer Tawar 2 | Johor |
| Semenchu | 81920 | Ayer Tawar 2 | Johor |
| Teluk Sengat | 81920 | Ayer Tawar 2 | Johor |
Poskod Ayer Tawar 2
