| Code | Name | Region |
|---|---|---|
| INMLY | Maliya | GJ |
| INMLP | Mallipuram | KL |
| INMAL | Malpe | KA |
| INMLR | Malur | KA |
| INMLW | Malwan | MH |
| INMNI | Manali | HP |
| INMNT | Manalithara | KL |
| INMKK | Manapakkam | TN |
| INMDP | Mandapam | TN |
| INMNP | Mandideep | MP |
| INMAN | Mandsaur | MP |
| INMDV | Mandvi | GJ |
| INMNW | Mandwa | MH |
| INIXE | Mangalore | KA |
| INMAI | Mangalore | KA |
| INMGJ | Madanganj | RJ |
| INKRM | Madcl Sez/nagpur | MH |
| INMRG | Madgaon | GA |
| INMSH | Madho Singhana | HR |
| INMBS | Madhosingh/allahabad | UP |
| INIXM | Madurai | TN |
| INMDT | Maduranthakam | TN |
| INMAG | Magadi | KA |
| INMDA | Magdalla | GJ |
| INHAD | Mahad | MH |
| INMAJ | Maharajganj | UP |
| INMHB | Mahbubnagar | AP |
| INMAH | Mahe | PY |
| INMGH | Mahendraganj | ML |
| INMSA | Mahesana | GJ |
| INMHN | Mahisasan | AS |
| INMHG | Mahurighat | TR |
| INMHA | Mahuva | GJ |
| INMPI | Mainpuri | UP |
| INLTB | Latu Bazar | AS |
| INLAT | Latur | MH |
| INLKQ | Laukaha Lcs | BR |
| INLPR | Leapuram | KL |
| INIXL | Leh | |
| INIXI | Lilabari | |
| INGNL | Lipd Sez/navi Mumbai | MH |
| INGNR | Lipl-icd/marripalem | AP |
| INKOY | Lkoyali | |
| INLOH | Lohardaga | BR |
| INCRX | Loksan Lcs | WB |
| INLNI | Loni | MH |
| INLON | Loni | UP |
| INLKH | Loni Kalbhor | MH |
| INNOI | Loni-1 Lcd/chaziabad | UP |
| INRJN | Lspl Sez/rajnandgaon | CH |