| Post office | Kilnathur B.O |
| Pin code | 606601 |
| Office type | B.O |
| Taluk / city | Tiruvananmalai |
| District name | Tiruvannamalai |
| State name | Tamil Nadu |
| Delivery status | Delivery |
| Division name | Tiruvannamalai |
| Region name | Chennai Region |
| Circle name | Tamilnadu |
| Related sub office | Tiruvannamalai RS S.O |
| Related head office | Tiruvannamalai H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 606601 | Kilnathur B.O | Tiruvananmalai | Tiruvannamalai | Tamil Nadu |
| 606601 | Ayyankulam S.O | Tiruvannamalai | Tiruvannamalai | Tamil Nadu |
| 606601 | Kalnagar S.O | Tiruvannamalai | Tiruvannamalai | Tamil Nadu |
| 606601 | Saron B.O | Tiruvannamalai | Tiruvannamalai | Tamil Nadu |
| 606601 | Tiruvannamalai Bazaar S.O | Tiruvannamalai | Tiruvannamalai | Tamil Nadu |
| 606601 | Tiruvannamalai H.O | Tiruvannamalai | Tiruvannamalai | Tamil Nadu |
| 606601 | Tiruvannamalai RS S.O | Tiruvannamalai | Tiruvannamalai | Tamil Nadu |