| Place | Post Code |
|---|---|
| Kilakkadu, Sankarapuram | 606401 |
| Kilapattu, Sankarapuram | 606208 |
| Kilnilavur, Sankarapuram | 606209 |
| Kilpadi, Sankarapuram | 606205 |
| Kinathur, Sankarapuram | 606209 |
| Kodiyanur, Sankarapuram | 606402 |
| Kodumathi, Sankarapuram | 606209 |
| Konathankotta, Sankarapuram | 605702 |
| Kondunthurai, Sankarapuram | 606209 |
| Koochickalvalu, Sankarapuram | 606401 |
| Kosapadi, Sankarapuram | 606401 |
| Kottampoondi, Sankarapuram | 606209 |
| Kottavalavu, Sankarapuram | 606401 |
| Kuchikadu, Sankarapuram | 606208, 606209 |
| Kumaramangalam, Sankarapuram | 605702 |
| Kundalvazhavu, Sankarapuram | 606209 |
| Kundiyanatham, Sankarapuram | 606209 |
| Kurmbalur, Sankarapuram | 606401 |
| La- Gudalur, Sankarapuram | 606205 |
| Lakkinayakkanpatti, Sankarapuram | 606402 |
| Lalapettai, Sankarapuram | 606205 |
| Madhur, Sankarapuram | 606209 |
| Madurapudur, Sankarapuram | 605801 |
| Maiyanur, Sankarapuram | 605801 |
| Malayarasampattu, Sankarapuram | 606209 |
| Mallapuram, Sankarapuram | 606402 |