| Locality | Post Code |
|---|---|
| Cailiao, Dacheng (菜寮村) | 527001 |
| Dacheng, Dacheng (大城村) | 527003, 527004 |
| Dingzhuang, Dacheng (頂庄村) | 527002, 527003 |
| Dongcheng, Dacheng (東城村) | 527001, 527002, 527004 |
| Donggang, Dacheng (東港村) | 527002 |
| Fengmei, Dacheng (豐美村) | 527001 |
| Gongguan, Dacheng (公館村) | 527003 |
| Sanfeng, Dacheng (三豐村) | 527001 |
| Shangshan, Dacheng (上山村) | 527004 |
| Shanjiao, Dacheng (山腳村) | 527002, 527003 |
| Taixi, Dacheng (臺西村) | 527000 |
| Tanqian, Dacheng (潭墘村) | 527004 |
| Xicheng, Dacheng (西城村) | 527001, 527003, 527003 |
| Xigang, Dacheng (西港村) | 527002 |
| Yonghe, Dacheng (永和村) | 527001 |