| Place | Post Code |
|---|---|
| M.G.R. Nagar, Tirukkoyilur | 605754 |
| M. Thangal, Tirukkoyilur | 606205 |
| Madampoondi, Tirukkoyilur | 605766 |
| Madavilagam, Tirukkoyilur | 605701 |
| Madhura Pudhur, Tirukkoyilur | 605751 |
| Madura Arumbarampattu, Tirukkoyilur | 605752 |
| Malaiyampattu, Tirukkoyilur | 607203 |
| Malaiyarasankuppam, Tirukkoyilur | 605701 |
| Manakuppam, Tirukkoyilur | 607209 |
| Manal Medu, Tirukkoyilur | 605756 |
| Manampoondi, Tirukkoyilur | 605759 |
| Manaveli, Tirukkoyilur | 605803 |
| Mandagamedu, Tirukkoyilur | 607209 |
| Mandapam, Tirukkoyilur | 605766 |
| Marangiyur, Tirukkoyilur | 607203 |
| Mazhavarayanur, Tirukkoyilur | 607203 |
| Melakondur, Tirukkoyilur | 605755 |
| Melakondur Colony, Tirukkoyilur | 605755 |
| Melamangalam, Tirukkoyilur | 607107 |
| Melaripattu, Tirukkoyilur | 605766 |
| Melathayanur, Tirukkoyilur | 605766 |
| Melendal, Tirukkoyilur | 605754 |
| Melvalai, Tirukkoyilur | 605701 |
| Memalur, Tirukkoyilur | 605751 |
| Mettucherry, Tirukkoyilur | 605754 |
| Mettukuppam, Tirukkoyilur | 607209 |