| Place | Postal Code |
|---|
| Postal Codes in Huaian Economic and Technological Development Zone | |
|---|---|
| Bochi (钵池街道) | |
| Fanji (范集镇) | |
| Fuchenglubanshichu (富城路办事处) | |
| Fufudelubanshichu (福地路办事处) | |
| Gaotiexinqubanshichu (高铁新区办事处) | |
| Huaihonglubanshichu (淮洪路办事处) | |
| Jinganglubanshichu (金港路办事处) | |
| Meicheng (枚乘街道) | |
| Nanmachang (南马厂街道) | |
| Xingangbanshichu (新港办事处) | |
| Xuyang (徐杨街道) | |
| Zhangmabanshichu (张码办事处) | |