| Place | Post Code |
|---|---|
| Mavadi, Ambasamudram | 627107, 627201 |
| Mayilanoor, Ambasamudram | 627415 |
| Meela Upporani, Ambasamudram | 627414 |
| Mela Ambur, Ambasamudram | 627418 |
| Mela Sakthi Kulam, Ambasamudram | 627603 |
| Melacamp, Ambasamudram | 627421 |
| Meladesamanickam, Ambasamudram | 627452 |
| Melaermalpuram, Ambasamudram | 627421 |
| Melakadaiyam, Ambasamudram | 627415 |
| Melakuniyur, Ambasamudram | 627417 |
| Melaputhukudi, Ambasamudram | 627417 |
| Melaseval, Ambasamudram | 627452 |
| Mettur, Ambasamudram | 627808 |
| Mudaliarpatti, Ambasamudram | 627425 |
| Mukkudal, Ambasamudram | 627601 |
| Mukkudal Vadakku, Ambasamudram | 627601 |
| Muppuliyoor, Ambasamudram | 627415 |
| Murugandiyur, Ambasamudram | 627423 |
| Muthammal Puram, Ambasamudram | 627423 |
| Mylappapuram, Ambasamudram | 627415 |
| Mylapuram, Ambasamudram | 627601 |
| Nadu Poolangulam, Ambasamudram | 627415 |
| Nalumukku, Ambasamudram | 627427 |
| Nanalkulam, Ambasamudram | 627412 |
| Narayanapuram, Ambasamudram | 627415 |
| Neelamegapuram, Ambasamudram | 627412 |