| 南京 | 25 | Nanjing |
| 六合 | 25 | Liuhe (was 5294) |
| 高淳 | 25 | Gaochun (was 5295) |
| 溧水 | 25 | Lishui (was 5296) |
| 仪征 | 25 | Yizheng (was 5291, then 514) |
| 江宁 | 25 | Jiangning |
| 江浦 | 25 | Jiangpu |
| 镇江 | 511 | Zhenjiang |
| 丹徒 | 511 | Dantu |
| 丹阳 | 511 | Danyang (was 5211) |
| 扬中 | 511 | Yangzhong (was 5212) |
| 苏州 | 512 | Suzhou |
| 吴江 | 512 | Wujiang (was 5223) |
| 吴县 | 512 | Wuxian |
| 南通 | 513 | Nantong |
| 海门 | 513 | Haimen (was 5231) |
| 启东 | 513 | Qidong (was 5232) |
| 南通县 | 513 | Nantongxian (was 5233) |
| 如东 | 513 | Rudong (was 5234) |
| 海安 | 513 | Haian (was 5235) |
| 如皋 | 513 | Rugao (was 5236) |
| 扬州 | 514 | Yangzhou |
| 江都 | 514 | Jiangdu (was 5244) |
| 邗江 | 514 | |
| 盐城 | 515 | Yancheng |
| 徐州 | 516 | Xuzhou |
| 睢宁 | 516 | Suining |
| 邳县 | 516 | Pixian (was 5262) |
| 新沂 | 516 | Xinyi (was 5263) |
| 沛县 | 516 | Peixian (was 5264) |
| 丰县 | 516 | Fengxian (was 5265) |
| 铜山 | 516 | Tongshan |
| 淮阴 | 517 | Huaiyin |
| 淮阴县 | 517 | Huaiyinxian |
| 淮安 | 517 | Huaian |
| 连运港 | 518 | Lianyungang |
| 赣榆 | 518 | Ganyu |
| 灌云 | 518 | Guanyun |
| 东海 | 518 | Donghai (was 5284) |
| 518 | 518 | Xinpu |
| 常州 | 519 | Changzhou |
| 武进 | 519 | Wujin |
| 金坛 | 519 | Jintan (was 5214) |
| 溧阳 | 519 | Liyang (was 5215) |
| 无锡 | 510 | Wuxi |
| 江阴 | 510 | Jiangyin (was 5217) |
| 宜兴 | 510 | Yixing (was 5218) |
| 泰州 | 523 | Taizhou (was 5241) |
| 常熟 | 520 | Changshu (was 5221) |
| 张家港 | 520 | Zhangjiagang (was 5222) |
| 昆山 | 520 | Kunshan (was 5224) |
| 太仓 | 520 | Taicang (was 5225) |
| 沙州 | 5222 | Shazhou (changed?) |
| 靖江县 | 5242 | Jingjiangxian (changed?) |
| 兴化 | 5245 | Xinghua (changed?) |
| 高邮 | 5247 | Gaoyou (changed?) |
| 瞧宁 | 5261 | Qiaoning (changed?) |
| 胥浦 | 5291 | Xupu (changed?) |
| 句容 | 5297 | Jurong (changed?) |