| Postal Codes in Lianyungang High-tech Industrial Development Zone (连云港高新技术产业开发区) |
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| Lianyungang High-tech Industrial Development Zone (连云港高新技术产业开发区) |
| Lianyungang Economic and Technological Development Zone (连云港经济技术开发区) |
| Lianyun (连云区) |
| Haizhou (海州区) |
| Guanyun (灌云县) |
| Guannan (灌南县) |
| Ganyu District (赣榆区) |
| Donghai (东海县) |