| Locality | Post Code |
|---|---|
| Dexing, Xianxi (德興村) | 507002 |
| Dingli, Xianxi (頂犁村) | 507002, 507003, 507004 |
| Dingzhuang, Xianxi (頂庄村) | 507001, 507001, 507003 |
| Gounei, Xianxi (溝內村) | 507001, 507003 |
| Wenzi, Xianxi (塭仔村) | 507001, 507003, 507004 |
| Xiali, Xianxi (下犁村) | 507002 |
| Xianxi, Xianxi (線西村) | 507001, 507003 |
| Yubu, Xianxi (寓埔村) | 507001, 507003 |