| Place | Post Code |
|---|---|
| Mattukaranpudur, Omalur | 636305 |
| Mattukaranur, Omalur | 636011 |
| Mattyamapatti, Omalur | 636306 |
| Mayilampatti, Omalur | 636455 |
| Mel Kombai, Omalur | 636351 |
| Melkamandapatti, Omalur | 636455 |
| Melmattayampatti, Omalur | 636306 |
| Mesthiri Valavu, Omalur | 636305 |
| Mettu Maranur, Omalur | 636502 |
| Mohamedpur, Omalur | 636305 |
| Molakaratoor, Omalur | 636354 |
| Moolikadu, Omalur | 636012 |
| Moongilerichettipatti, Omalur | 636455 |
| Moongileripatti, Omalur | 636305 |
| Moongilpadi, Omalur | 636012 |
| Morambukaddu, Omalur | 636306 |
| Morappampatti, Omalur | 636455 |
| Motoor, Omalur | 636503 |
| All postal codes in Salem | |
|---|---|
| Attur, Salem | |
| Edappadi, Salem | |
| Gangavalli, Salem | |
| Mettur, Salem | |
| Omalur, Salem | |
| Salem, Salem | |
| Sankari, Salem | |
| Vazhapadi, Salem | |
| Yercaud, Salem | |