Pincode 631604 is a 6-digit postal code serving 6 post offices in Kanchipuram district, Tamil Nadu. Thenneri S.O is the Post Office for this area, located at 13.3378°N, 79.8747°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Kanchipuram delivery zone.
| Post Office | Type |
|---|---|
| Thenneri S.O | Post Office |
| Echoor B.O | Branch Post Office |
| Kunnam B.O | Branch Post Office |
| Panruti B.O | Branch Post Office |
| Sinnivakkam B.O | Branch Post Office |
| Varanavasi B.O | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Kanchipuram, Tamil Nadu. Map data: OpenStreetMap, CARTO.