| Place | Postal Code |
|---|---|
| 柳桥沟林场 (Liuqiaogou Linchang, Mudanjiang) | 157200 |
| 万宝湾林场 (Wanbaowan Linchang, Mudanjiang) | 157200 |
| Postal Codes in Dongning | |
|---|---|
| Bei (北乡) | |
| Daduchuan (大肚川镇) | |
| Daodaohe (道河镇) | |
| Dongning (东宁县) | |
| Laoheishan (老黑山镇) | |
| Sanchakou (三岔口镇) | |
| Suiyang (绥阳镇) | |
| Suiyanglinyeju (绥阳林业局) | |