| Place | Post Code |
|---|---|
| Kilathur, Tiruvannamalai | 606802 |
| Kilchettipattu, Tiruvannamalai | 606707 |
| Kiliyapattu, Tiruvannamalai | 606604 |
| Kilkachirapattu, Tiruvannamalai | 606753 |
| Kilkarippur, Tiruvannamalai | 606755 |
| Kilnachipattu, Tiruvannamalai | 606611 |
| Kilnakkarai, Tiruvannamalai | 606603 |
| Kilnathur, Tiruvannamalai | 606601 |
| Kilpennathur, Tiruvannamalai | 604601 |
| Kiranur, Tiruvannamalai | 606755 |
| Kodikuppam, Tiruvannamalai | 606611 |
| Kolakkaravadi, Tiruvannamalai | 606805 |
| Kolakudi, Tiruvannamalai | 606808 |
| Kolathur, Tiruvannamalai | 606755 |
| Konalur, Tiruvannamalai | 606755 |
| Konnamadai R.F, Tiruvannamalai | 604402 |
| Koothala Vadi, Tiruvannamalai | 606805 |
| Kosalai, Tiruvannamalai | 606604 |
| Kottamedu, Tiruvannamalai | 606752 |
| Kottampalayam, Tiruvannamalai | 606604 |
| Kottangal, Tiruvannamalai | 606604 |
| Kottavur, Tiruvannamalai | 606603, 604601 |
| Kottikupam, Tiruvannamalai | 606802 |
| Kovur, Tiruvannamalai | 606751 |
| Kumarakudi, Tiruvannamalai | 606611 |
| Kunnankuppam, Tiruvannamalai | 606611 |