Butterworth, Pulau Pinang
| Postcode | Area |
|---|---|
| 12300 | Medan Melor Selatan |
| 12300 | Medan Melor Utara |
| 12300 | Medan Riang |
| 12300 | Pangsapuri Seri Melur |
| 12300 | Persiaran Riang |
| 12300 | Pintas Berani (1 - 5) |
| 12300 | Pusat Perniagaan Raja Uda |
| 12300 | Solok Berani |
| 12300 | Solok Riang |
| 12300 | Taman Abdul Aziz |
| 12300 | Taman Aman |
| 12300 | Taman Aman Jaya |
| 12300 | Taman Anggerik |
| 12300 | Taman Bagan Jermal |
| 12300 | Taman Bistari |
| 12300 | Taman Bunga Tanjung |
| 12300 | Taman Dahlia |
| 12300 | Taman Ipoh |
| 12300 | Taman Jermal Indah |
| 12300 | Taman Mas |
