| Locality | Post Code |
|---|---|
| Dayi, Sanxing (大義村) | 266005, 266007 |
| Dayin, Sanxing (大隱村) | 266003, 266005, 266006, 266007, 266116 |
| Dazhou, Sanxing (大洲村) | 266004 |
| Gongzhao, Sanxing (拱照村) | 266006 |
| Guilin, Sanxing (貴林村) | 266001, 266005, 266007 |
| Jiqing, Sanxing (集慶村) | 266007, 266008, 266009 |
| Renhe, Sanxing (人和村) | 266001, 266001, 266003 |
| Shangwu, Sanxing (尚武村) | 266005 |
| Shuangxian, Sanxing (雙賢村) | 266001, 266008, 266118 |
| Tianfu, Sanxing (天福村) | 266001 |
| Tianshan, Sanxing (天山村) | 266001, 266002, 266111, 266112 |
| Wande, Sanxing (萬德村) | 266001, 266005, 266007 |
| Wanfu, Sanxing (萬富村) | 266005, 266007 |
| Weiqian, Sanxing (尾塹村) | 266004 |
| Xingjian, Sanxing (行健村) | 266007 |
| Yide, Sanxing (義德村) | 266008 |
| Yuanshan, Sanxing (員山村) | 266002 |
| Yuemei, Sanxing (月眉村) | 266007, 266008 |