India ยท PIN code
PIN code 631604 is Sinnivakkam in Tamil Nadu, India, covering 6 places.
| PIN code | 631604 |
| Place | Sinnivakkam |
| Region | Tamil Nadu |
| District | Kanchipuram |
| Country | India (IN) |
| Coordinates | 12.8616, 79.8275 (map) |
| Place | Region | District |
|---|---|---|
| Sinnivakkam | Tamil Nadu | Kanchipuram |
| Varanavasi | Tamil Nadu | Kanchipuram |
| Echoor | Tamil Nadu | Kanchipuram |
| Thenneri | Tamil Nadu | Kanchipuram |
| Panruti | Tamil Nadu | Kanchipuram |
| Kunnam | Tamil Nadu | Kanchipuram |
The PIN code 631604 routes mail to Sinnivakkam in the Tamil Nadu region of India. It serves 6 localities in total, which is common where one delivery area covers several villages or districts. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.