| Locality | Postal Code |
|---|---|
| Annei, Yanshui (岸內里) | 737001, 737003, 737601, 737602 |
| Ditougang, Yanshui (坔頭港里) | 737000 |
| Huanya, Yanshui (歡雅里) | 737004, 737005 |
| Jincheng, Yanshui (津城里) | 737001 |
| Jingshui, Yanshui (汫水里) | 737003 |
| Qiaonan, Yanshui (橋南里) | 737002, 737005, 737007, 737008, 737302, … |
| Sanhe, Yanshui (三和里) | 737004 |
| Sanming, Yanshui (三明里) | 737007 |
| Shuixiu, Yanshui (水秀里) | 737003, 737006, 737008, 737301 |
| Wenchang, Yanshui (文昌里) | 737004, 737004, 737007 |
| Yizhong, Yanshui (義中里) | 737006 |
| Yuegang, Yanshui (月港里) | 737001, 737005, 737007, 737201, 737202, … |
| Zhulin, Yanshui (竹林里) | 737005 |