Ayer Tawar, Perak
| Postcode | Area |
|---|---|
| 32400 | Ladang Walbrook |
| 32400 | Northward |
| 32400 | Perumahan Awam 1 & 2 |
| 32400 | Rumah Murah |
| 32400 | Stesen Komuniikasi TLDM |
| 32400 | Sungai Tiong |
| 32400 | Taman Ayer Tawar 1 & 2 |
| 32400 | Taman Ayer Tawar Jaya (1 & 2) |
| 32400 | Taman Bandar |
| 32400 | Taman Bersatu |
| 32400 | Taman Biru |
| 32400 | Taman Bistari |
| 32400 | Taman Bunga Raya |
| 32400 | Taman Cahaya Jering |
| 32400 | Taman Damai 1 - 3 |
| 32400 | Taman Desa Baru |
| 32400 | Taman Desa Jaya |
| 32400 | Taman Dindings |
| 32400 | Taman Emas |
| 32400 | Taman Gembira |
