| Place | Post Code |
|---|---|
| Kargudal, Virudhachalam | 606003 |
| Karmangudi, Virudhachalam | 606110 |
| Karmangudi Rf, Virudhachalam | 606110 |
| Karnatham, Virudhachalam | 606104 |
| Karuvepilankurichi, Virudhachalam | 606110 |
| Kattiyanallur, Virudhachalam | 606104 |
| Kattumailur, Virudhachalam | 606304 |
| Kattuparur, Virudhachalam | 606104 |
| Kavanai, Virudhachalam | 606104 |
| Kavanur, Virudhachalam | 608703 |
| Keelakollai, Virudhachalam | 608703 |
| Keelakurichi, Virudhachalam | 606204 |
| Keerambur, Virudhachalam | 606302 |
| Kilapalaiyur, Virudhachalam | 606103 |
| Kilinjalmedu, Virudhachalam | 606103 |
| Kilpathi, Virudhachalam | 607802 |
| Kiramangalam, Virudhachalam | 608703 |
| Kizhakiruppu, Virudhachalam | 607805 |
| Ko Adhanur, Virudhachalam | 606003 |
| Ko. Mavidanthal, Virudhachalam | 606003 |
| Ko Pavalangudi, Virudhachalam | 606104 |
| Kodukkur, Virudhachalam | 606302 |
| Kodumanur, Virudhachalam | 608703 |
| Kokkampalayam, Virudhachalam | 606107 |
| Kokothanur, Virudhachalam | 606302 |
| Komangalam, Virudhachalam | 606003 |