| Code | Name | Region |
|---|---|---|
| INNVB | Navabunder | GJ |
| INNVP | Navaspur | AP |
| INNMB | Navi Mumbai | MH |
| INSAJ | Navkar Icd/umbergaon | GJ |
| INNAV | Navlakhi | GJ |
| INQNW | Nawanshahar | JK |
| INNYG | Nayagarh | OR |
| INCNC | Nctl Sez/kancheepuram | TN |
| INCJC | Nctl(engg) Sez/kancheepuram | TN |
| INNMT | Neamari Stemerghat | AS |
| INNER | Neemrana | RJ |
| INNEM | Neemuch | MP |
| INNEL | Nellore | AP |
| INNGR | Nepalgunj Road | UP |
| INICD | New Delhi | DL |
| INNML | New Mangalore | KA |
| INMYQ | Mysore | |
| INNAB | Nabarangapur | OR |
| INNDD | Nadiad | GJ |
| INNGA | Nagaon | AS |
| INNPT | Nagappattinam | TN |
| INNPR | Nagapur | MH |
| INNGK | Nagarkata Lcs | WB |
| INNAU | Nagaur | RJ |
| INNGC | Nagercoil | TN |
| INNAG | Nagpur | MH |
| INNAT | Nainital | UT |
| INNJD | Najibabad | UP |
| INNAA | Nalagarh | PB |
| INNAL | Nalbari | AS |
| INTNN | Namakkal | TN |
| INNKN | Namkhana | WB |
| INNMK | Namkum | JH |
| INNPG | Nampong | AP |
| INNAN | Nancowrie | AN |
| INNDC | Nanded | |
| INPMT | Mtdccl Sez/pune | MH |
| INMHP | Muhammadpur | HR |
| INMDK | Mul Dwarka | GJ |
| INMUL | Mulgund | KA |
| INBAP | Multi Services-sez/dronagiri | MH |
| INKLM | Multi Services-sez/kalamboli | MH |
| INBAM | Multi Services-sez/ulwe | MH |
| INMUU | Mulund | |
| INBOM | Mumbai (ex Bombay) | MH |
| INMNB | Munabao | RJ |
| INMUN | Mundra | GJ |
| INAJM | Mundra Port Sez | GJ |
| INMUG | Munger | BR |
| INMUR | Murad | MH |