| Code | Name | Region |
|---|---|---|
| CNNTG | Nantong | JS |
| CNNTU | Nantou | GD |
| CNNWI | Nanwei | GD |
| CNNNX | Nanxi | SC |
| CNNXI | Nanxiang | GX |
| CNNYG | Nanyang | 32 |
| CNNYA | Nanyang | HA |
| CNNAY | Nanyuan | BJ |
| CNNZA | Nanzhuang | HA |
| CNNZU | Nanzhuang | HE |
| CNZNZ | Naozhou | GD |
| CNNAT | Natong | GX |
| CNNNN | Nan'an | CQ |
| CNNAS | Nan'an | FJ |
| CNNAN | Nanao Pt | GD |
| CNNBA | Nanbian | GD |
| CNNCH | Nanchang | JX |
| CNKHN | Nanchang Changbei International Apt | JX |
| CNNCO | Nanchong | SC |
| CNNDN | Nanding | SD |
| CNNAD | Nandu | GX |
| CNNAF | Nanfeng | 36 |
| CNNGG | Nangang | GD |
| CNNAH | Nanhai Pt | GD |
| CNNNH | Nanhui | SH |
| CNNJK | Nanjiangkou | GD |
| CNNJI | Nanjing | JS |
| CNNKG | Nanjing Lukou International Apt | JS |
| CNNJG | Nanjing Pt | JS |
| CNNLG | Nanling | AH |
| CNNIN | Nanning | GX |
| CNNIG | Nanning Pt | GX |
| CNMEN | Mengshan | GX |
| CNMYG | Mianyang | SC |
| CNMIG | Mianyang Nanjiao Apt | SC |
| CNMSW | Miaoshanwei | JS |
| CNMOT | Miaotou | GD |
| CNMDU | Midu | YN |
| CNMGX | Mingxi | 35 |
| CNMNG | Minhang | 31 |
| CNMHG | Minxing | SH |
| CNMIS | Mishan | HL |
| CNMIY | Miyun | 11 |
| CNMHN | Mohan | YN |
| CNMOH | Mohe | HL |
| CNLPG | Mouping | SD |
| CNMYM | Moupingyangmadao | SD |
| CNMDG | Mudanjiang | HL |
| CNMUG | Mugang | GD |
| CNMZT | Muzhaerte | XJ |