| Place | Post Code |
|---|---|
| 白沙村 (Baisha, Sanming) | 365001 |
| 城南村 (Chengnan, Sanming) | 365001 |
| 荆东村 (Jingdong, Sanming) | 365004 |
| 荆西村 (Jingxi, Sanming) | 365003 |
| 台江村 (Taijiang, Sanming) | 365001 |
| Postal Codes in Sanyuan | |
|---|---|
| Baisha (白沙街道) | |
| Chengdong (城东乡) | |
| Chengguan (城关街道) | |
| Fuxingbao (富兴堡街道) | |
| Jingxi (荆西镇) | |
| Shenkou (莘口镇) | |
| Yanqian (岩前镇) | |
| Zhongcun (中村乡) | |