| Place | Post Code |
|---|---|
| Idayankulam, Kamuthi | 623603 |
| Idivilagi, Kamuthi | 623115 |
| Iluppaikulam, Kamuthi | 623604 |
| Irulandipatti, Kamuthi | 623708 |
| K. Nedungulam, Kamuthi | 623603 |
| K. Nedunkulam, Kamuthi | 623603 |
| K. Veppankulam, Kamuthi | 623115 |
| K. Villanendal, Kamuthi | 623603 |
| Kadamangalam, Kamuthi | 623115 |
| Kadambankulam, Kamuthi | 623604 |
| Kadanagari, Kamuthi | 623601 |
| Kakkudi, Kamuthi | 623605 |
| Kalaikulam, Kamuthi | 623603 |
| Kallikulam, Kamuthi | 623708, 623601 |
| Kamudi, Kamuthi | 623603 |
| Kamuthi, Kamuthi | 623603, 623604, 623605 |
| Kandakulam, Kamuthi | 623601 |
| Kanjalyapuram, Kamuthi | 623115 |
| Kanjithalaiyendal, Kamuthi | 623601 |
| Kannaki, Kamuthi | 623603 |
| Kannikkur, Kamuthi | 623603 |
| Karikootam, Kamuthi | 623601 |
| Karisalkulam, Kamuthi | 623115 |
| Karisalpuli, Kamuthi | 623120 |
| Karungulam, Kamuthi | 623604 |
| Kathanendal, Kamuthi | 623603 |