| Locality | Post Code |
|---|---|
| Haifeng, Mailiao (海豐村) | 638104, 638107, 638108 |
| Houan, Mailiao (後安村) | 638000 |
| Leicuo, Mailiao (雷厝村) | 638103 |
| Lunhou, Mailiao (崙後村) | 638101 |
| Maifeng, Mailiao (麥豐村) | 638001, 638003, 638104, 638201, 638210, … |
| Maijin, Mailiao (麥津村) | 638001, 638002, 638003 |
| Qiaotou, Mailiao (橋頭村) | 638108 |
| Sansheng, Mailiao (三盛村) | 638105 |
| Shicuo, Mailiao (施厝村) | 638106 |
| Wayao, Mailiao (瓦磘村) | 638000 |
| Xinghua, Mailiao (興華村) | 638102 |
| Xinji, Mailiao (新吉村) | 638106 |
| Zhongxing, Mailiao (中興村) | 638105, 638108, 638111, 638401, 638422, … |