Pincode 606601 is a 6-digit postal code serving 7 post offices in Tiruvannamalai district, Tamil Nadu. Tiruvannamalai HO is the Head Post Office for this area, located at 12.2352°N, 79.0766°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Tiruvannamalai delivery zone.
| Post Office | Type |
|---|---|
| Tiruvannamalai HO | Head Post Office |
| Ayyankulam SO | Post Office |
| Kalnagar SO | Post Office |
| Tiruvannamalai Bazaar SO | Post Office |
| Tiruvannamalai RS SO | Post Office |
| Kilnathur BO | Branch Post Office |
| Saron BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Tiruvannamalai, Tamil Nadu. Map data: OpenStreetMap, CARTO.